CAS: 1451-82-7 Molecular Formula: C10H11BrO Molecular Weight (g/mol): 227.101 MDL Number: MFCD11131402 InChI Key: OZLUPIIIHOOPNQ-UHFFFAOYSA-N Synonym: 2-bromo-1-p-tolyl propan-1-one, 2-bromo-4'-methylpropiophenone, 2-bromo-1-4-methylphenyl propan-1-one, 2-bromo-4-methylpropiophenone, 2-bromo-1-4-methylphenyl-1-propanone, 1-propanone, 2-bromo-1-4-methylphenyl, 2-bromo-1-p-tolylpropan-1-one, ksc917e0p, 2-bromo-1-p-tolyl-propan-1-one, 4'-methyl-alpha-bromopropiophenone PubChem CID: 2734063 IUPAC Name: 2-bromo-1-(4-methylphenyl)propan-1-one SMILES: CC1=CC=C(C=C1)C(=O)C(C)Br

CAS: 947-19-3 Molecular Formula: C13H16O2 Molecular Weight (g/mol): 204.269 MDL Number: MFCD00059561 InChI Key: QNODIIQQMGDSEF-UHFFFAOYSA-N Synonym: 1-hydroxycyclohexyl phenyl ketone, 1-hydroxycyclohexyl phenyl methanone, 1-benzoylcyclohexanol, hydroxycyclohexyl phenyl ketone, 1-benzoylcyclohexan-1-ol, irgacure 184, methanone, 1-hydroxycyclohexyl phenyl, unii-e7jvn2243x, 1-hydroxycyclohexyl-phenylmethanone, 1-cyclohexylhydroxyphenylketone PubChem CID: 70355 IUPAC Name: (1-hydroxycyclohexyl)-phenylmethanone SMILES: C1CCC(CC1)(C(=O)C2=CC=CC=C2)O

CAS: 479-33-4 Molecular Formula: C₂₉H₂₀O Molecular Weight (g/mol): 384.47 MDL Number: MFCD00001407 InChI Key: PLGPSDNOLCVGSS-UHFFFAOYSA-N Synonym: tetraphenylcyclopentadienone, tetracyclone, cyclone, tetracyclon, 2,3,4,5-tetraphenylcyclopenta-2,4-dienone, 2,4-cyclopentadien-1-one, 2,3,4,5-tetraphenyl, tetraphenyl-2,4-cyclopentadien-1-one, 2,3,4,5-tetraphenylcyclopentadienone, cyclone compound, 2,3,4,5-tetraphenyl-2,4-cyclopentadienone PubChem CID: 68068 IUPAC Name: 2,3,4,5-tetraphenylcyclopenta-2,4-dien-1-one SMILES: C1=CC=C(C=C1)C2=C(C(=O)C(=C2C3=CC=CC=C3)C4=CC=CC=C4)C5=CC=CC=C5

CAS: 64328-68-3 Molecular Formula: C13H17BrO Molecular Weight (g/mol): 269.182 MDL Number: MFCD00218837 InChI Key: AVYNDJWQMUOSJZ-UHFFFAOYSA-N Synonym: 2-bromo-1-4-pentylphenyl ethan-1-one, 2-bromo-1-4-pentylphenyl ethanone, 2-bromo-4'-pent-1-yl acetophenone, ethanone,2-bromo-1-4-pentylphenyl, 2-bromo-1-4-pent-1-yl phenyl ethan-1-one PubChem CID: 2775670 IUPAC Name: 2-bromo-1-(4-pentylphenyl)ethanone SMILES: CCCCCC1=CC=C(C=C1)C(=O)CBr

CAS: 42330-10-9 Molecular Formula: C7H13BrO Molecular Weight (g/mol): 193.084 MDL Number: MFCD09757526 InChI Key: SFKVBRLKXVRUQW-UHFFFAOYSA-N Synonym: 3-bromo-4-heptanone, 4-heptanone, 3-bromo PubChem CID: 11469593 IUPAC Name: 3-bromoheptan-4-one SMILES: CCCC(=O)C(CC)Br

CAS: 89-74-7 Molecular Formula: C10H12O Molecular Weight (g/mol): 148.205 MDL Number: MFCD00003571 InChI Key: HSDSKVWQTONQBJ-UHFFFAOYSA-N Synonym: 2',4'-dimethylacetophenone, 1-2,4-dimethylphenyl ethanone, 2,4-dimethylacetophenone, 4-acetyl-m-xylene, ethanone, 1-2,4-dimethylphenyl, acetyl-m-xylene, 1-2,4-dimethylphenyl ethan-1-one, acetophenone, 2',4'-dimethyl, unii-8k29me27ya, methyl 2,4-dimethylphenyl ketone PubChem CID: 6985 IUPAC Name: 1-(2,4-dimethylphenyl)ethanone SMILES: CC1=CC(=C(C=C1)C(=O)C)C

CAS: 3874-54-2 Molecular Formula: C₁₀H₁₀ClFO Molecular Weight (g/mol): 200.64 MDL Number: MFCD00001007 InChI Key: HXAOUYGZEOZTJO-UHFFFAOYSA-N Synonym: 4-chloro-4'-fluorobutyrophenone, 4-chloro-1-4-fluorophenyl butan-1-one, 3-4-fluorobenzoyl propyl chloride, 4-fluorobenzoylpropyl chloride, 4-chloro-p-fluorobutyrophenone, 3-chloropropyl 4-fluorophenyl ketone, 1-butanone, 4-chloro-1-4-fluorophenyl, 4'-fluoro-4-chlorobutyrophenone, p-fluorobenzoylpropyl chloride, p-fluoro-4-chlorobutyrophenone PubChem CID: 19750 IUPAC Name: 4-chloro-1-(4-fluorophenyl)butan-1-one SMILES: C1=CC(=CC=C1C(=O)CCCCl)F

CAS: 42877-08-7 Molecular Formula: C6H5BrOS Molecular Weight (g/mol): 205.069 MDL Number: MFCD00794287 InChI Key: ZUXPELAHJQSZTE-UHFFFAOYSA-N Synonym: 2-acetyl-3-bromothiophene, 1-3-bromothiophen-2-yl ethanone, 1-3-bromothiophen-2-yl ethan-1-one, 1-3-bromo-2-thienyl-1-ethanone, bromothienylethanone, 1-3-bromothien-2-yl ethanone, 1-3-bromo-2-thienyl ethanone, pubchem7280, acmc-20ai7w PubChem CID: 2764496 IUPAC Name: 1-(3-bromothiophen-2-yl)ethanone SMILES: CC(=O)C1=C(C=CS1)Br

CAS: 456-03-1 Molecular Formula: C9H9FO Molecular Weight (g/mol): 152.168 MDL Number: MFCD00000356 InChI Key: QIJNVLLXIIPXQT-UHFFFAOYSA-N Synonym: 4'-fluoropropiophenone, 1-4-fluorophenyl propan-1-one, p-fluoropropiophenone, 4-fluoropropiophenone, ethyl 4-fluorophenyl ketone, 1-propanone, 1-4-fluorophenyl, propiophenone, 4'-fluoro, para-fluoropropiophenone, 1-4-fluorophenyl-1-propanone, 4;-fluoropropiophenone PubChem CID: 68004 IUPAC Name: 1-(4-fluorophenyl)propan-1-one SMILES: CCC(=O)C1=CC=C(C=C1)F

CAS: 36436-65-4 Molecular Formula: C10H12O2 Molecular Weight (g/mol): 164.204 MDL Number: MFCD00002306 InChI Key: YXVSURZEXVMUAM-UHFFFAOYSA-N Synonym: 2'-hydroxy-4',5'-dimethylacetophenone, 1-2-hydroxy-4,5-dimethylphenyl ethanone, 2-hydroxy-4,5-dimethylacetophenone, 4'5'-dimethyl-2'-hydroxyacetophenone, ethanone, 1-2-hydroxy-4,5-dimethylphenyl, 4',5'-dimethyl-2'-hydroxyacetophenone, 1-2-hydroxy-4,5-dimethylphenyl ethan-1-one, 1-acetyl-2-hydroxy-4,5-dimethylbenzene, ethanone,1-2-hydroxy-4,5-dimethylphenyl, acmc-1ctvf PubChem CID: 118976 IUPAC Name: 1-(2-hydroxy-4,5-dimethylphenyl)ethanone SMILES: CC1=C(C=C(C(=C1)C(=O)C)O)C

CAS: 170570-79-3 Molecular Formula: C9H8F2O2 Molecular Weight (g/mol): 186.158 MDL Number: MFCD00236243 InChI Key: OUJZNFJFMAKGMS-UHFFFAOYSA-N Synonym: 1-3,5-difluoro-4-methoxyphenyl ethanone, 3',5'-difluoro-4'-methoxyacetophenone, 3,5-difluoro-4-methoxyacetophenone, 1-3,5-difluoro-4-methoxyphenyl ethan-1-one, 1-3,5-difluoro-4-methoxy-phenyl ethanone, 4-acetyl-2,6-difluoroanisole, 3.5-difluoro-4-methoxyacetophenone, 1-acetyl-3,5-difluoro-4-methoxybenzene, 3',5'-difluoro-4-difluoro-4-methoxyacetophenone-methoxyacetophenone, 1-3,5-difluoro-4-methoxyphenyl ethan-1-one, 4-acetyl-2,6-difluoroanisole PubChem CID: 2736983 IUPAC Name: 1-(3,5-difluoro-4-methoxyphenyl)ethanone SMILES: CC(=O)C1=CC(=C(C(=C1)F)OC)F

CAS: 1017779-29-1 Molecular Formula: C10H10F2O2 Molecular Weight (g/mol): 200.185 MDL Number: MFCD09258688 InChI Key: ZKFNHJQYENLQNK-UHFFFAOYSA-N Synonym: 4'-ethoxy-3',5'-difluoroacetophenone, 1-4-ethoxy-3,5-difluorophenyl ethanone, 3',5'-difluoro-4'-ethoxyacetophenone, 1-acetyl-4-ethoxy-3,5-difluorobenzene, 4'-ethoxy-3',5'-difluoroacetophenone, jrd PubChem CID: 46737608 IUPAC Name: 1-(4-ethoxy-3,5-difluorophenyl)ethanone SMILES: CCOC1=C(C=C(C=C1F)C(=O)C)F

CAS: 147834-57-9 Molecular Formula: C19H22O Molecular Weight (g/mol): 266.384 MDL Number: MFCD00052403 InChI Key: CFSAHKOFVAHZDH-UHFFFAOYSA-N Synonym: 1-2,3,4,5,6-pentamethylphenyl-2-phenylethan-1-one, 1-2,3,4,5,6-pentamethylphenyl-2-phenylethanone, ethanone,1-pentamethylphenyl-2-phenyl-9ci, 1-pentamethylphenyl-2-phenylethanone, acmc-20n5au, maybridge1_002825, 1-pentamethylphenyl-2-phenylethan-1-one, 2',3',4',5',6'-pentamethyl-2-phenylacetophenone PubChem CID: 2776715 IUPAC Name: 1-(2,3,4,5,6-pentamethylphenyl)-2-phenylethanone SMILES: CC1=C(C(=C(C(=C1C)C)C(=O)CC2=CC=CC=C2)C)C

CAS: 434-45-7 Molecular Formula: C8H5F3O Molecular Weight (g/mol): 174.122 MDL Number: MFCD00000420 InChI Key: KZJRKRQSDZGHEC-UHFFFAOYSA-N Synonym: trifluoroacetophenone, 2,2,2-trifluoroacetophenone, 2,2,2-trifluoro-1-phenylethan-1-one, phenyl trifluoromethyl ketone, trifluoromethyl phenyl ketone, alpha,alpha,alpha-trifluoroacetophenone, ethanone, 2,2,2-trifluoro-1-phenyl, 2,2,2-trifluoro-1-phenyl-ethanone, trifluoroacetylbenzene, unii-6t7l1upy09 PubChem CID: 9905 IUPAC Name: 2,2,2-trifluoro-1-phenylethanone SMILES: C1=CC=C(C=C1)C(=O)C(F)(F)F

CAS: 1889-78-7 Molecular Formula: C14H10BrClO Molecular Weight (g/mol): 309.587 MDL Number: MFCD00052201 InChI Key: OBEFSOTWERFWSZ-UHFFFAOYSA-N Synonym: 2-bromo-1-4-chlorophenyl-2-phenylethan-1-one, 2-bromo-1-4-chlorophenyl-2-phenylethanone, 1-4-chlorophenyl-2-bromo-2-phenylethanone, 2-bromo-1-4-chlorophenyl-2-phenyl-ethanone, alpha-bromo-alpha-phenyl-4'-chloroacetophenone, ethanone,2-bromo-1-4-chlorophenyl-2-phenyl PubChem CID: 2777295 IUPAC Name: 2-bromo-1-(4-chlorophenyl)-2-phenylethanone SMILES: C1=CC=C(C=C1)C(C(=O)C2=CC=C(C=C2)Cl)Br

CAS: 4423-94-3 Molecular Formula: C8H14O Molecular Weight (g/mol): 126.199 MDL Number: MFCD00066306 InChI Key: WKYYYUWKFPFVEY-UHFFFAOYSA-N Synonym: 2-ethylcyclohexanone, cyclohexanone, 2-ethyl, 2-ethyl-cyclohexanone, acmc-1advf, 2-ethyl-cyclohexan-1-one PubChem CID: 20474 IUPAC Name: 2-ethylcyclohexan-1-one SMILES: CCC1CCCCC1=O

CAS: 13679-75-9 Molecular Formula: C7H8OS Molecular Weight (g/mol): 140.2 MDL Number: MFCD00005446 InChI Key: MFPZQZZWAMAHOY-UHFFFAOYSA-N Synonym: 1-2-thienyl-1-propanone, 2-propionylthiophene, 1-thiophen-2-yl propan-1-one, 1-2-thienyl propan-1-one, ethyl 2-thienyl ketone, 2-propanoylthiophene, 1-propanone, 1-2-thienyl, unii-ny658tvp5m, ethyl thienyl ketone, ethyl-2-thienyl ketone PubChem CID: 26179 IUPAC Name: 1-thiophen-2-ylpropan-1-one SMILES: CCC(=O)C1=CC=CS1

CAS: 6214-65-9 Molecular Formula: C6H6N2O3 Molecular Weight (g/mol): 154.125 MDL Number: MFCD00151968 InChI Key: YNYDWEIQSDFDLK-UHFFFAOYSA-N Synonym: 5-acetyluracil, 5-acetylpyrimidine-2,4 1h,3h-dione, 1-2,4-dihydroxypyrimidin-5-yl ethanone, 2,4 1h,3h-pyrimidinedione, 5-acetyl, 5-acetyl-1,3-dihydropyrimidine-2,4-dione, 5-acetyl-1,2,3,4-tetrahydropyrimidine-2,4-dione, 5-acetyl-2,6-dioxo-1,3-dihydropyrimidine, 5-acetyl uracil, acetylpyrimidinedione, zlchem 449 PubChem CID: 234581 IUPAC Name: 5-acetyl-1H-pyrimidine-2,4-dione SMILES: CC(=O)C1=CNC(=O)NC1=O

CAS: 350-03-8 Molecular Formula: C7H7NO Molecular Weight (g/mol): 121.139 MDL Number: MFCD00006396 InChI Key: WEGYGNROSJDEIW-UHFFFAOYSA-N Synonym: 3-acetylpyridine, 1-pyridin-3-yl ethanone, 3-acetopyridine, 1-3-pyridinyl ethanone, methyl 3-pyridyl ketone, ethanone, 1-3-pyridinyl, ketone, methyl 3-pyridyl, 3-acetyl pyridine, 3-pyridyl methyl ketone, 1-pyridin-3-yl ethan-1-one PubChem CID: 9589 IUPAC Name: 1-pyridin-3-ylethanone SMILES: CC(=O)C1=CN=CC=C1

CAS: 34956-31-5 Molecular Formula: C11H13NO2 Molecular Weight (g/mol): 191.23 MDL Number: MFCD02258876 InChI Key: PTARWPNYVATTDE-UHFFFAOYSA-N Synonym: n-4-acetyl-3-methylphenyl acetamide, 4'-acetamido-2'-methylacetophenone, 4-acetamido-2-methylacetophenone, pubchem12562, 4'-acetyl-3'-methylacetoanilide, n-4-acetyl-3-methyl-phenyl-acetamide, 4\\'-acetamido-2\\'-methylacetophenone, n-4-ethanoyl-3-methyl-phenyl ethanamide, acetamide, n-4-acetyl-3-methylphenyl PubChem CID: 2737381 IUPAC Name: N-(4-acetyl-3-methylphenyl)acetamide SMILES: CC1=C(C=CC(=C1)NC(=O)C)C(=O)C

CAS: 816-40-0 Molecular Formula: C₄H₇BrO Molecular Weight (g/mol): 151 MDL Number: MFCD00000207 InChI Key: CCXQVBSQUQCEEO-UHFFFAOYSA-N Synonym: 1-bromo-2-butanone, 2-butanone, 1-bromo, 1-bromobutanone, bromomethyl ethyl ketone, bromobutanone, bromobutan-2-one, l-bromo-2-butanone, acmc-20aoxd, 1-bromo-butan-2-one PubChem CID: 13156 IUPAC Name: 1-bromobutan-2-one SMILES: CCC(=O)CBr

CAS: 6175-45-7 Molecular Formula: C₁₂H₁₆O₃ Molecular Weight (g/mol): 208.26 MDL Number: MFCD00009659 InChI Key: PIZHFBODNLEQBL-UHFFFAOYSA-N Synonym: 2,2-diethoxyacetophenone, ethanone, 2,2-diethoxy-1-phenyl, phenylglyoxal diethyl acetal, 2,2-diethoxy-1-phenylethan-1-one, alpha,alpha-diethoxyacetophenone, unii-w4bcz1mak3, 2,2-diethoxy acetophenone, ccris 5222, benzoylformaldehyde diethyl acetal, glyoxal, phenyl-, 2-diethyl acetal PubChem CID: 22555 IUPAC Name: 2,2-diethoxy-1-phenylethanone SMILES: CCOC(C(=O)C1=CC=CC=C1)OCC

CAS: 304445-49-6 Molecular Formula: C8H6BrFO Molecular Weight (g/mol): 217.037 MDL Number: MFCD00466241 InChI Key: VCTWSAITPPCBHI-UHFFFAOYSA-N Synonym: 1-4-bromo-3-fluorophenyl ethanone, 4'-bromo-3'-fluoroacetophenone, 3-fluoro-4-bromo-acetophenone, 1-4-bromo-3-fluorophenyl ethan-1-one, 4-bromo-3-fluoroacetophenone, 4-bromo-3-fluoro-acetophenone, ksc915o9p, 3'-fluoro-4'-bromo-acetophenone, 1-4-bromo-3-fluoro-phenyl-ethanone PubChem CID: 22831914 IUPAC Name: 1-(4-bromo-3-fluorophenyl)ethanone SMILES: CC(=O)C1=CC(=C(C=C1)Br)F

CAS: 495-40-9 Molecular Formula: C10H12O Molecular Weight (g/mol): 148.205 MDL Number: MFCD00009397 InChI Key: FFSAXUULYPJSKH-UHFFFAOYSA-N Synonym: butyrophenone, n-butyrophenone, 1-butanone, 1-phenyl, phenyl propyl ketone, 1-phenyl-1-butanone, propyl phenyl ketone, unii-186i11wb5b, 1-phenyl-butan-1-one, propylphenylketone PubChem CID: 10315 IUPAC Name: 1-phenylbutan-1-one SMILES: CCCC(=O)C1=CC=CC=C1

CAS: 328-42-7 Molecular Formula: C4H4O5 Molecular Weight (g/mol): 132.071 MDL Number: MFCD00002592 InChI Key: KHPXUQMNIQBQEV-UHFFFAOYSA-N Synonym: oxalacetic acid, oxaloacetic acid, 2-oxosuccinic acid, oxaloacetate, ketosuccinic acid, oxosuccinic acid, 2-ketosuccinic acid, butanedioic acid, oxo, oxobutanedioic acid, oxalacetate PubChem CID: 970 ChEBI: CHEBI:30744 IUPAC Name: 2-oxobutanedioic acid SMILES: C(C(=O)C(=O)O)C(=O)O

CAS: 932-16-1 Molecular Formula: C7H9NO Molecular Weight (g/mol): 123.155 MDL Number: MFCD00003089 InChI Key: NZFLWVDXYUGFAV-UHFFFAOYSA-N Synonym: 2-acetyl-1-methylpyrrole, n-methyl-2-acetylpyrrole, 1-1-methyl-1h-pyrrol-2-yl ethanone, 1-1-methylpyrrol-2-yl ethanone, 1-methyl-2-acetylpyrrole, 2-acetyl-n-methylpyrrole, ethanone, 1-1-methyl-1h-pyrrol-2-yl, methyl 1-methylpyrrol-2-yl ketone, 1-1-methyl-1h-pyrrol-2-yl ethan-1-one, 2-acetyl-1-methyl pyrrole PubChem CID: 61240 ChEBI: CHEBI:59982 IUPAC Name: 1-(1-methylpyrrol-2-yl)ethanone SMILES: CC(=O)C1=CC=CN1C

CAS: 13329-40-3 Molecular Formula: C8H7IO Molecular Weight (g/mol): 246.047 MDL Number: MFCD00045320 InChI Key: JZJWCDQGIPQBAO-UHFFFAOYSA-N Synonym: 4'-iodoacetophenone, 1-4-iodophenyl ethanone, 4-iodoacetophenone, 1-4-iodophenyl ethan-1-one, p-iodoacetophenone, ethanone, 1-4-iodophenyl, 1-4-iodo-phenyl-ethanone, 1-acetyl-4-iodobenzene, 4-iodo acetophenone, 4;-iodoacetophenone PubChem CID: 72869 IUPAC Name: 1-(4-iodophenyl)ethanone SMILES: CC(=O)C1=CC=C(C=C1)I

CAS: 104776-74-1 Molecular Formula: C8H8BrNO4 Molecular Weight (g/mol): 262.059 MDL Number: MFCD00173773 InChI Key: GUYZRQOTADGHII-UHFFFAOYSA-N Synonym: ethyl 5-2-bromoacetyl isoxazole-3-carboxylate, ethyl 5-bromoacetyl isoxazole-3-carboxylate, ethyl 5-2-bromoacetyl-1,2-oxazole-3-carboxylate, ethyl 5-bromoacetyl-1,2-oxazole-3-carboxylate, 3-isoxazolecarboxylicacid, 5-2-bromoacetyl-, ethyl ester, acmc-20a3va, 5-bromoacetyl-3-ethoxycarbonyl isoxazole, ethyl 5-2-bromanylethanoyl-1,2-oxazole-3-carboxylate, 5-2-bromo-1-oxoethyl-3-isoxazolecarboxylic acid ethyl ester PubChem CID: 2736373 IUPAC Name: ethyl 5-(2-bromoacetyl)-1,2-oxazole-3-carboxylate SMILES: CCOC(=O)C1=NOC(=C1)C(=O)CBr

CAS: 14731-14-7 Molecular Formula: C11H8BrNO2 Molecular Weight (g/mol): 266.094 InChI Key: XTBXGZOVSCTNEC-UHFFFAOYSA-N Synonym: 5-bromoacetyl-3-phenylisoxazole, 2-bromo-1-3-phenylisoxazol-5-yl ethan-1-one, 2-bromo-1-3-phenylisoxazol-5-yl ethanone, 2-bromo-1-3-phenyl-1,2-oxazol-5-yl ethanone, 2-bromo-1-3-phenyl-1,2-oxazol-5-yl ethan-1-one, 2-bromo-1-3-phenyl-isoxazol-5-yl-ethanone, ethanone, 2-bromo-1-3-phenyl-5-isoxazolyl, pubchem8717, buttpark 43\57-72 PubChem CID: 2735532 IUPAC Name: 2-bromo-1-(3-phenyl-1,2-oxazol-5-yl)ethanone SMILES: C1=CC=C(C=C1)C2=NOC(=C2)C(=O)CBr

CAS: 237069-82-8 Molecular Formula: C10H6F6O Molecular Weight (g/mol): 256.147 MDL Number: MFCD00042495 InChI Key: MHLYNSLYUWMONA-UHFFFAOYSA-N Synonym: 1-2,4-bis trifluoromethyl phenyl ethanone, 2',4'-bis trifluoromethyl acetophenone, 2,4-di trifluoromethyl acetophenone, 1-2,4-bis trifluoromethyl phenyl ethan-1-one, ethanone, 1-2,4-bis trifluoromethyl phenyl, 2,4-bis trifluoromethyl acetophenone, pubchem7002, 2,4-ditrifluoromethylacetophenone, 1-acetyl-2,4-bis trifluoromethyl benzene PubChem CID: 2736093 IUPAC Name: 1-[2,4-bis(trifluoromethyl)phenyl]ethanone SMILES: CC(=O)C1=C(C=C(C=C1)C(F)(F)F)C(F)(F)F