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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Naphthalenemethanamine, 3-bromo-I+/--cyclopropyl- 1704082-57-4 C14H14BrN
    2-Naphthalenemethanamine, 3-bromo-I+/--cyclopropyl-
    —— 2-Propanol, 1-[1-methyl-2-[[(1R,2R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl]oxy]ethoxy]-, rel- 243978-04-3 C16H30O3
    2-Propanol, 1-[1-methyl-2-[[(1R,2R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl]oxy]ethoxy]-, rel-
    —— 2-Pyridineacetic acid, 3-(difluoromethoxy)-5-fluoro- 1807041-30-0 C8H6F3NO3
    2-Pyridineacetic acid, 3-(difluoromethoxy)-5-fluoro-
    —— 2-Amino-4-(trifluoromethoxy)-5-(trifluoromethyl)phenol 1060757-40-5 C8H5F6NO2
    2-Amino-4-(trifluoromethoxy)-5-(trifluoromethyl)phenol
    —— 2H-Isoindole-2-propanoic acid, 1,3-dihydro-6-methoxy-I+/--[(methoxycarbonyl)amino]-1-oxo-I+/--(2-phenylethynyl)-, methyl ester, (I+/-R)- 1298135-23-5 C23H22N2O6
    2H-Isoindole-2-propanoic acid, 1,3-dihydro-6-methoxy-I+/--[(methoxycarbonyl)amino]-1-oxo-I+/--(2-phenylethynyl)-, methyl ester, (I+/-R)-
    —— 2-[2-Iodo-4-methyl-1-(2,4,6-trifluorophenyl)-1H-imidazol-5-yl]-5-methylpyrimidine 1194344-27-8 C15H10F3IN4
    2-[2-Iodo-4-methyl-1-(2,4,6-trifluorophenyl)-1H-imidazol-5-yl]-5-methylpyrimidine
    —— 2H-Thiopyrano[4,3-c]pyridazine-2-acetic acid, 1,3,5,7-tetrahydro-3-oxo- 1820686-02-9 C9H10N2O3S
    2H-Thiopyrano[4,3-c]pyridazine-2-acetic acid, 1,3,5,7-tetrahydro-3-oxo-
    —— 2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3,6-dimethyl-11-propyl-, (2I+/-,6I+/-,11R*)- 56711-08-1 C17H25NO
    2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3,6-dimethyl-11-propyl-, (2I+/-,6I+/-,11R*)-
    —— 2,7-Diazaspiro[3.5]nonane-2-carboxylic acid, 5-oxo-, 9H-fluoren-9-ylmethyl ester 2411640-00-9 C22H22N2O3
    2,7-Diazaspiro[3.5]nonane-2-carboxylic acid, 5-oxo-, 9H-fluoren-9-ylmethyl ester
    —— 2,6-Benzoxaazacyclotridecine 885065-38-3 C15H13NO
    2,6-Benzoxaazacyclotridecine
    —— 2-[(Acetylamino)carbonyl]-3-ethoxy-2-propenoic acid 773100-22-4 C8H11NO5
    2-[(Acetylamino)carbonyl]-3-ethoxy-2-propenoic acid
    —— 2,4,6,8-Nonatetraenoic acid, 3,7-dimethyl-9-[2-(nonyloxy)-1-cyclohexen-1-yl]-, (all-E)- 111822-61-8 C26H40O3
    2,4,6,8-Nonatetraenoic acid, 3,7-dimethyl-9-[2-(nonyloxy)-1-cyclohexen-1-yl]-, (all-E)-
    —— (2R,3S,5S)-2-Methyl-5-phenyl-pyrrolidine-2,3-dicarboxylic acid dimethyl ester 126402-84-4 C15H19NO4
    (2R,3S,5S)-2-Methyl-5-phenyl-pyrrolidine-2,3-dicarboxylic acid dimethyl ester
    —— [2-(2-naphthyl)propylidene]malononitrile 600697-55-0 C16H12N2
    [2-(2-naphthyl)propylidene]malononitrile
    —— (2-Methoxy-ethyl)-phosphoramidic acid 2,2-dichloro-vinyl ester ethyl ester 25646-41-7 C7H14Cl2NO4P
    (2-Methoxy-ethyl)-phosphoramidic acid 2,2-dichloro-vinyl ester ethyl ester
    —— 2-(1,1,1-trifluoro-N-((1s,4s)-4-phenylcyclohexyl)methylsulfonamido)phenyl trifluoromethanesulfonate 1373258-66-2 C20H19F6NO5S2
    2-(1,1,1-trifluoro-N-((1s,4s)-4-phenylcyclohexyl)methylsulfonamido)phenyl trifluoromethanesulfonate
    —— 2-Cyclopentyl-5,5-dimethyl-4,5-dihydro-oxazole 106013-37-0 C10H17NO
    2-Cyclopentyl-5,5-dimethyl-4,5-dihydro-oxazole
    —— 2,3,4-tri-O-acetyl-1-O-(3β-benzyloxy-22β-methoxyolean-12-en-24-yl)-β-D-glucuronic acid methyl ester 1312329-09-1 C51H74O12
    2,3,4-tri-O-acetyl-1-O-(3β-benzyloxy-22β-methoxyolean-12-en-24-yl)-β-D-glucuronic acid methyl ester
    —— (2-chloro-2-phenylethyl) (2R)-2-[ethenoxycarbonyl(methyl)amino]-4-methylpentanoate 136121-05-6 C18H24ClNO4
    (2-chloro-2-phenylethyl) (2R)-2-[ethenoxycarbonyl(methyl)amino]-4-methylpentanoate
    —— 2-[(2S,5R)-5-(2-Oxo-propyl)-tetrahydro-furan-2-yl]-acrylic acid methyl ester 112185-63-4 C11H16O4
    2-[(2S,5R)-5-(2-Oxo-propyl)-tetrahydro-furan-2-yl]-acrylic acid methyl ester
    —— 2-(2-nitropyridin-4-yl)-6-hydroxy-1,3-benzoxazole 1289555-45-8 C12H7N3O4
    2-(2-nitropyridin-4-yl)-6-hydroxy-1,3-benzoxazole
    —— 2-(1,2-dimethylpiperazin-2-yl)-N-(4-fluorobenzyl)-5,6-dihydroxypyrimidine-4-carboxamide 519032-03-2 C18H22FN5O3
    2-(1,2-dimethylpiperazin-2-yl)-N-(4-fluorobenzyl)-5,6-dihydroxypyrimidine-4-carboxamide
    —— (2S)-2-(hydroxymethyl)-4-phenylmethoxybutanoic acid 143444-48-8 C12H16O4
    (2S)-2-(hydroxymethyl)-4-phenylmethoxybutanoic acid
    —— 2-Fluor-2-nitro-1-butanolacrylat 42819-13-6 C7H10FNO4
    2-Fluor-2-nitro-1-butanolacrylat
    —— 2-(2-Methoxy-3-methylquinolin-7-yl)-2-methyl-3-(3-propanoylphenyl)propanenitrile 1056893-12-9 C24H24N2O2
    2-(2-Methoxy-3-methylquinolin-7-yl)-2-methyl-3-(3-propanoylphenyl)propanenitrile
    —— 2-[4-((Z)-2-Benzyloxycarbonylamino-2-methoxycarbonyl-vinyl)-benzylidene]-malonic acid di-tert-butyl ester 853063-48-6 C30H35NO8
    2-[4-((Z)-2-Benzyloxycarbonylamino-2-methoxycarbonyl-vinyl)-benzylidene]-malonic acid di-tert-butyl ester
    —— 2-Dimethylamino-2-phenyl-succinonitrile 135737-07-4 C12H13N3
    2-Dimethylamino-2-phenyl-succinonitrile
    —— (2-tert-Butoxycarbonylamino-5-methyl-phenyl)-acetic acid 138344-34-0 C14H19NO4
    (2-tert-Butoxycarbonylamino-5-methyl-phenyl)-acetic acid
    —— 2-phenyl-5-(3-phenylpropyl)thiophene 142422-89-7 C19H18S
    2-phenyl-5-(3-phenylpropyl)thiophene
    —— 2-Methyl-3-(1-methyl-cyclopropyl)-propionic acid 131469-78-8 C8H14O2
    2-Methyl-3-(1-methyl-cyclopropyl)-propionic acid
    —— 2-Chloro-N-(1-methyl-1-o-tolyl-ethyl)-acetamide 30568-50-4 C12H16ClNO
    2-Chloro-N-(1-methyl-1-o-tolyl-ethyl)-acetamide
    —— (2-acetyl)naphthyl (4-methyl-1-benzotriazolyl)-acetate 1210042-15-1 C21H17N3O3
    (2-acetyl)naphthyl (4-methyl-1-benzotriazolyl)-acetate
    —— 2,3,4-tri-O-(methoxymethyl)-5a-carba-β-L-fucopyranosylcarbonitrile 333327-22-3 C14H25NO6
    2,3,4-tri-O-(methoxymethyl)-5a-carba-β-L-fucopyranosylcarbonitrile
    —— 2,2-Bis{4-[2-hydroxy-3-(4-hydroxy-2,2,6,6-tetramethylpiperidino)propoxy]-phenyl}propane 67778-13-6 C39H62N2O6
    2,2-Bis{4-[2-hydroxy-3-(4-hydroxy-2,2,6,6-tetramethylpiperidino)propoxy]-phenyl}propane
    —— <2,2-dimethyl-5-(p-methoxyphenyl)-1-pyrrolidinyl>oxy radical 100655-66-1 C13H18NO2
    <2,2-dimethyl-5-(p-methoxyphenyl)-1-pyrrolidinyl>oxy radical
    —— 2-methyl-3-acetyl-4-nitro-5-(2-nitrophenyl)pyrrole 77411-85-9 C13H11N3O5
    2-methyl-3-acetyl-4-nitro-5-(2-nitrophenyl)pyrrole
    —— 2-(5-chloro-2-methyl-phenylsulfanyl)-5-nitro-benzoic acid 80568-10-1 C14H10ClNO4S
    2-(5-chloro-2-methyl-phenylsulfanyl)-5-nitro-benzoic acid
    —— [(2R,3R,3aS,6aS)-3-[(E,3S)-3-acetyloxyoct-1-enyl]-5-(5-oxopentyl)-1,2,3,3a,4,6a-hexahydropentalen-2-yl] acetate 210296-18-7 C25H38O5
    [(2R,3R,3aS,6aS)-3-[(E,3S)-3-acetyloxyoct-1-enyl]-5-(5-oxopentyl)-1,2,3,3a,4,6a-hexahydropentalen-2-yl] acetate
    —— 2,3-Dichloro-N-{2-[4-(3,4-dichlorophenoxy)-1-piperidinyl]ethyl}benzamide 298696-83-0 C20H20Cl4N2O2
    2,3-Dichloro-N-{2-[4-(3,4-dichlorophenoxy)-1-piperidinyl]ethyl}benzamide
    —— 2-(2,5-Dimethyl-4-pyren-1-ylphenyl)-6-pyridin-4-ylpyridine 1191076-24-0 C34H24N2
    2-(2,5-Dimethyl-4-pyren-1-ylphenyl)-6-pyridin-4-ylpyridine
    —— <(2S,3R,6E)-4,4-dimethyl-3-hydroxy-2-(methylamino)-6-octenoyl>-L-2-aminobutyryl-sarcosyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester 124562-20-5 C47H79N7O9
    <(2S,3R,6E)-4,4-dimethyl-3-hydroxy-2-(methylamino)-6-octenoyl>-L-2-aminobutyryl-sarcosyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester
    —— 2,3-Dicyano-2,3-bis-{4-[dicyano-(4-methoxy-phenyl)-methyl]-phenyl}-succinonitrile 70654-52-3 C38H22N8O2
    2,3-Dicyano-2,3-bis-{4-[dicyano-(4-methoxy-phenyl)-methyl]-phenyl}-succinonitrile
    —— (2R,2'S,3a'S,4''S,5''R,6'S,7a'R)-6'-formyl-5''-methyldecahydrodispiro[oxirane-2,3'-benzofuran-2',2''-pyran]-4''-yl 3-(diphenylphosphaneyl)benzoate 111767-81-8 C34H35O6P
    (2R,2'S,3a'S,4''S,5''R,6'S,7a'R)-6'-formyl-5''-methyldecahydrodispiro[oxirane-2,3'-benzofuran-2',2''-pyran]-4''-yl 3-(diphenylphosphaneyl)benzoate
    —— 2-[(3S)-2,6-dimethylhepta-1,6-dien-3-yl]-6-[tri(propan-2-yl)silyloxymethyl]cyclohexa-2,5-diene-1,4-dione 1266245-92-4 C25H40O3Si
    2-[(3S)-2,6-dimethylhepta-1,6-dien-3-yl]-6-[tri(propan-2-yl)silyloxymethyl]cyclohexa-2,5-diene-1,4-dione
    —— 2-(4-chloro-2-(trifluoromethyl)phenoxy)-2-methylpropanoic acid 1187627-02-6 C11H10ClF3O3
    2-(4-chloro-2-(trifluoromethyl)phenoxy)-2-methylpropanoic acid
    —— 2-[5-Amino-1-(2-hydroxyethyl)-3-(2-methylphenyl)-1H-pyrazol-4-yl]-4(3H)-quinazolinone 1177341-71-7 C20H19N5O2
    2-[5-Amino-1-(2-hydroxyethyl)-3-(2-methylphenyl)-1H-pyrazol-4-yl]-4(3H)-quinazolinone
    —— (2-chloropyrimidin-4-yl)-(2-fluorobenzyl)amine 945895-60-3 C11H9ClFN3
    (2-chloropyrimidin-4-yl)-(2-fluorobenzyl)amine
    —— (2-amino-5-chloro-phenyl)-(6-methyl-pyridin-3-yl)-methanone 698395-78-7 C13H11ClN2O
    (2-amino-5-chloro-phenyl)-(6-methyl-pyridin-3-yl)-methanone
    —— (2R,3S)-2,3-dihydroxy-2,3-O-isopropylidene-1-(thiophen-2-yl)-1,4-pentanedione 855518-37-5 C12H14O4S
    (2R,3S)-2,3-dihydroxy-2,3-O-isopropylidene-1-(thiophen-2-yl)-1,4-pentanedione
    —— 2-(4-Bromo-2-fluoro-benzyl)-4-ethylcarbamoylmethyl-1,3-dioxo-1,2,3,4-tetrahydro-isoquinoline-4-carboxylic acid methyl ester 137643-15-3 C22H20BrFN2O5
    2-(4-Bromo-2-fluoro-benzyl)-4-ethylcarbamoylmethyl-1,3-dioxo-1,2,3,4-tetrahydro-isoquinoline-4-carboxylic acid methyl ester