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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-ethyl-hex-2<i>t</i>-enoic acid butyl ester 92037-58-6 C12H22O2
    2-ethyl-hex-2<i>t</i>-enoic acid butyl ester
    —— 2-Bromo-5,7,8,9,10,11-hexahydro-cyclohepta[c]quinolin-6-one 32082-79-4 C14H14BrNO
    2-Bromo-5,7,8,9,10,11-hexahydro-cyclohepta[c]quinolin-6-one
    —— ((2S,6bR,7S,8R,9aS,10aS,12aR)-2,10a-Dihydroxy-8-methoxy-4a,6a-dimethyl-octadecahydro-9-oxa-pentaleno[2,1-a]phenanthren-7-yl)-acetic acid methyl ester 38544-99-9 C25H40O6
    ((2S,6bR,7S,8R,9aS,10aS,12aR)-2,10a-Dihydroxy-8-methoxy-4a,6a-dimethyl-octadecahydro-9-oxa-pentaleno[2,1-a]phenanthren-7-yl)-acetic acid methyl ester
    —— 2-ethyl-6,7-dimethyl-3-tosyl-2,3,4,5,5a,8-hexahydro-1H-3-benzazepine-2,6,7-tricarboxylate 1073362-39-6 C24H29NO8S
    2-ethyl-6,7-dimethyl-3-tosyl-2,3,4,5,5a,8-hexahydro-1H-3-benzazepine-2,6,7-tricarboxylate
    —— 2-phenyl-1-oxa-spiro[4.5]dec-2-ene-3-carbonitrile 36206-58-3 C16H17NO
    2-phenyl-1-oxa-spiro[4.5]dec-2-ene-3-carbonitrile
    —— ((2S,4aS,6aR,6bR,7S,8R,9aS,12aR)-2-Acetoxy-8-methoxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,6b,7,8,9a,10b,11,12,12a-hexadecahydro-1H-9-oxa-pentaleno[2,1-a]phenanthren-7-yl)-acetic acid methyl ester 38593-49-6 C27H40O6
    ((2S,4aS,6aR,6bR,7S,8R,9aS,12aR)-2-Acetoxy-8-methoxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,6b,7,8,9a,10b,11,12,12a-hexadecahydro-1H-9-oxa-pentaleno[2,1-a]phenanthren-7-yl)-acetic acid methyl ester
    —— 2-Benzyloxycarbonylamino-3-{[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxy]-hydroxy-phosphoryloxy}-propionic acid benzyl ester 26697-90-5 C28H27N2O10P
    2-Benzyloxycarbonylamino-3-{[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxy]-hydroxy-phosphoryloxy}-propionic acid benzyl ester
    —— 2'-amino-5-(1,3-thiazol-4-yl)spiro[3,4-dihydronaphthalene-2,4'-5H-1,3-oxazole]-1-one 1221165-61-2 C15H13N3O2S
    2'-amino-5-(1,3-thiazol-4-yl)spiro[3,4-dihydronaphthalene-2,4'-5H-1,3-oxazole]-1-one
    —— 2,2,4,6-Tetra-tert-butyl-4,6-diphenylcyclotrisiloxane 80249-63-4 C28H46O3Si3
    2,2,4,6-Tetra-tert-butyl-4,6-diphenylcyclotrisiloxane
    —— 2-[4-(1-{3-[5-(2-morpholin-4-ylethoxy)pyrimidin-2-yl]benzyl}-6-oxo-1,6-dihydropyridazin-3-yl)pyrazol-1-yl]ethyl acetate 1233361-70-0 C28H31N7O5
    2-[4-(1-{3-[5-(2-morpholin-4-ylethoxy)pyrimidin-2-yl]benzyl}-6-oxo-1,6-dihydropyridazin-3-yl)pyrazol-1-yl]ethyl acetate
    —— 2-bromo-N-{4-[3-chloro-4-(cyclobutylmethoxy)-5-fluorophenyl]-1,3-thiazol-2-yl}acetamide 1335011-10-3 C16H15BrClFN2O2S
    2-bromo-N-{4-[3-chloro-4-(cyclobutylmethoxy)-5-fluorophenyl]-1,3-thiazol-2-yl}acetamide
    —— 2,2-Diphenylindolin-3-ol 74441-25-1 C20H17NO
    2,2-Diphenylindolin-3-ol
    —— 2-[2-[[2-[(2S)-1-phenylpropan-2-yl]oxy-6-propan-2-yloxypyridine-4-carbonyl]amino]-1,3-thiazol-4-yl]acetic acid 1168142-83-3 C23H25N3O5S
    2-[2-[[2-[(2S)-1-phenylpropan-2-yl]oxy-6-propan-2-yloxypyridine-4-carbonyl]amino]-1,3-thiazol-4-yl]acetic acid
    —— (2S,3R,4S,5R)-2-azido-5-(4-chloro-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4-fluoro-2-(iodomethyl)tetrahydrofuran-3-yl benzoate 1345193-51-2 C18H12ClF2IN6O3
    (2S,3R,4S,5R)-2-azido-5-(4-chloro-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4-fluoro-2-(iodomethyl)tetrahydrofuran-3-yl benzoate
    —— 2-butyl-2,3-dihydro-1H-benzo[4,5]thiazolo[3,2-c]pyrimidine-4-carbonitrile 1228301-97-0 C15H17N3S
    2-butyl-2,3-dihydro-1H-benzo[4,5]thiazolo[3,2-c]pyrimidine-4-carbonitrile
    —— [(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[(S)-cyano(phenyl)methoxy]oxan-2-yl]methoxy]oxan-2-yl]methyl acetate 61091-11-0 C34H41NO18
    [(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[(S)-cyano(phenyl)methoxy]oxan-2-yl]methoxy]oxan-2-yl]methyl acetate
    —— 2-Aethoxy-methyl-2-hydroxy-Δ<sup>7</sup>-octen 19996-58-8 C11H22O2
    2-Aethoxy-methyl-2-hydroxy-Δ<sup>7</sup>-octen
    —— (2R,3S)-2-cyclohexyl-5-phenylpentane-1,3-diol 1341137-74-3 C17H26O2
    (2R,3S)-2-cyclohexyl-5-phenylpentane-1,3-diol
    —— 2'-O-acetyl-6-O-methyl-3-O-decladinosyl-9a-aza-9a-homoerythromycin A 11,12-cyclic carbonate 301151-54-2 C33H56N2O12
    2'-O-acetyl-6-O-methyl-3-O-decladinosyl-9a-aza-9a-homoerythromycin A 11,12-cyclic carbonate
    —— 2,2,7-trimethyl-5-hydroxy-4-(2'-hydroxypropylimino)-4H-2,3-dihydrobenzopyran 88879-99-6 C15H21NO3
    2,2,7-trimethyl-5-hydroxy-4-(2'-hydroxypropylimino)-4H-2,3-dihydrobenzopyran
    —— 2-Fluor-2-methoxycarbonyl-glutarsaeure-dimethylester 1775-49-1 C9H13FO6
    2-Fluor-2-methoxycarbonyl-glutarsaeure-dimethylester
    —— 2-nitro-7-[4-(4-propoxy-4-trifluoromethylpiperidin-1-yl)phenoxymethyl]-6,7-dihydro-5H-imidazo[2,1-b][13]oxazine 1403317-59-8 C22H27F3N4O5
    2-nitro-7-[4-(4-propoxy-4-trifluoromethylpiperidin-1-yl)phenoxymethyl]-6,7-dihydro-5H-imidazo[2,1-b][13]oxazine
    —— 2'-deoxy-3-(3-azidopropyl)-5'-O-(4,4'-dimethoxy-trityl)uridine 1009567-09-2 C33H35N5O7
    2'-deoxy-3-(3-azidopropyl)-5'-O-(4,4'-dimethoxy-trityl)uridine
    —— 2-ethyl-2-methyl-4-oxo-4-phenyl-butyric acid 129921-29-5 C13H16O3
    2-ethyl-2-methyl-4-oxo-4-phenyl-butyric acid
    —— 2-(1,3-benzothiazol-2-ylmethoxy)-N-{5-[(cyclopropylamino)carbonyl]-2-methylphenyl}pyrimidine-5-carboxamide 857354-97-3 C24H21N5O3S
    2-(1,3-benzothiazol-2-ylmethoxy)-N-{5-[(cyclopropylamino)carbonyl]-2-methylphenyl}pyrimidine-5-carboxamide
    —— 2-methoxyethyl 2-O-allyl-3,4,6-tri-O-benzyl-β-D-glucopyranoside 87908-38-1 C33H40O7
    2-methoxyethyl 2-O-allyl-3,4,6-tri-O-benzyl-β-D-glucopyranoside
    —— 23-Brom-trinor-shionansaeure-(24)-methylester 20078-75-5 C28H47BrO2
    23-Brom-trinor-shionansaeure-(24)-methylester
    —— (-)-2,7-dimethyl-3-(2-methylbenzyl)indoline 1304141-64-7 C18H21N
    (-)-2,7-dimethyl-3-(2-methylbenzyl)indoline
    —— 2,5-dimethyl-N-{3-[2,2,2-trifluoro-1-(pyridin-3-yl)ethoxy]-quinoxalin-2-yl}thiophene-3-sulfonamide 1226504-48-8 C21H17F3N4O3S2
    2,5-dimethyl-N-{3-[2,2,2-trifluoro-1-(pyridin-3-yl)ethoxy]-quinoxalin-2-yl}thiophene-3-sulfonamide
    —— 2-(2-((2R)-2-(1,4-benzodioxan-6-ylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid 597576-89-1 C19H21N3O5S2
    2-(2-((2R)-2-(1,4-benzodioxan-6-ylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid
    —— 2-(2-((2R)-2-(2-bromo-4-methylphenylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid 597576-92-6 C18H20BrN3O3S2
    2-(2-((2R)-2-(2-bromo-4-methylphenylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid
    —— 2-[5-chloro-3-(2,3,6-trifluorobenzyl)-1H-indazol-1-yl]-5-pyridin-3-ylpyrimidine-4,6-diamine 1337565-50-0 C23H15ClF3N7
    2-[5-chloro-3-(2,3,6-trifluorobenzyl)-1H-indazol-1-yl]-5-pyridin-3-ylpyrimidine-4,6-diamine
    —— 2,4-Dibenzoyloxy-1-(tosyloxy)-pentan 96071-58-8 C26H26O7S
    2,4-Dibenzoyloxy-1-(tosyloxy)-pentan
    —— (2S,3S)-3-(2,4-dichloro-phenoxy)-1-methylamino-hexan-2-ol tartrate 693258-11-6 C4H6O6*C13H19Cl2NO2
    (2S,3S)-3-(2,4-dichloro-phenoxy)-1-methylamino-hexan-2-ol tartrate
    —— 2-Aminoethylpiperidine-1-carboxylic acid tert-butyl ester 1334493-86-5 C12H24N2O2
    2-Aminoethylpiperidine-1-carboxylic acid tert-butyl ester
    —— (+)-(2S,3R,9aS,9bS,11aS)-3,4,5,6,6a,7,9,9a,9b,10,11,11a-dodecahydro-2-(1-hydroxy-1-methylethyl)-9a,9b-dimethyl-9-oxo-2H-[2]benzofuro[5,4-f][1]benzopyran-3-yl benzenecarboxylate 671792-34-0 C27H34O6
    (+)-(2S,3R,9aS,9bS,11aS)-3,4,5,6,6a,7,9,9a,9b,10,11,11a-dodecahydro-2-(1-hydroxy-1-methylethyl)-9a,9b-dimethyl-9-oxo-2H-[2]benzofuro[5,4-f][1]benzopyran-3-yl benzenecarboxylate
    —— 2,2-dimethyl-4-keto-7-tosyloxy-benzopyran 100942-29-8 C18H18O5S
    2,2-dimethyl-4-keto-7-tosyloxy-benzopyran
    —— 2-(2,2-Dimethylpropyl)benzaldehyde tosylhydrazone 158884-48-1 C19H24N2O2S
    2-(2,2-Dimethylpropyl)benzaldehyde tosylhydrazone
    —— 2-[(4-fluoro-2-methylphenyl)methyl]-1H-isoindole-1,3(2H)-dione 874014-37-6 C16H12FNO2
    2-[(4-fluoro-2-methylphenyl)methyl]-1H-isoindole-1,3(2H)-dione
    —— (2R,3S)-1,3,7-trimethoxyhept-6-en-2-ol 1228689-15-3 C10H20O4
    (2R,3S)-1,3,7-trimethoxyhept-6-en-2-ol
    —— 2-chloro-N-{3-[2-cyano-2-methyl-1-(1-oxopyridin-3-yl)propoxy]-quinoxalin-2-yl}benzenesulfonamide 1226502-68-6 C24H20ClN5O4S
    2-chloro-N-{3-[2-cyano-2-methyl-1-(1-oxopyridin-3-yl)propoxy]-quinoxalin-2-yl}benzenesulfonamide
    —— 2-((Z)-propenyloxy)benzoic acid 1094026-10-4 C10H10O3
    2-((Z)-propenyloxy)benzoic acid
    —— 2-(2,4-Diphenyl-[1,3]thiazin-6-ylidene)-malonic acid diethyl ester 128748-35-6 C23H21NO4S
    2-(2,4-Diphenyl-[1,3]thiazin-6-ylidene)-malonic acid diethyl ester
    —— (2S,5S)-2-(3,4-Dimethoxy-phenyl)-5-methanesulfonyloxymethyl-2,5-dihydro-pyrrole-1-carboxylic acid methyl ester 223595-52-6 C16H21NO7S
    (2S,5S)-2-(3,4-Dimethoxy-phenyl)-5-methanesulfonyloxymethyl-2,5-dihydro-pyrrole-1-carboxylic acid methyl ester
    —— 2-amino-5,6-dihydro-5-isopropyl-4,7-diphenylquinoline-3,8-dicarbonitrile 1396505-26-2 C26H22N4
    2-amino-5,6-dihydro-5-isopropyl-4,7-diphenylquinoline-3,8-dicarbonitrile
    —— 2-phenyliminohexanoic acid phenyl ester 1058163-01-1 C18H19NO2
    2-phenyliminohexanoic acid phenyl ester
    —— (2R,3R,5R,6R)-N-[(S)-2-hydroxy-1-methylethyl]-3-(hydroxydiphenylmethyl)-5,6-dimethoxy-5,6-dimethyl-1,4-dioxane-2-carboxamide 711237-68-2 C25H33NO7
    (2R,3R,5R,6R)-N-[(S)-2-hydroxy-1-methylethyl]-3-(hydroxydiphenylmethyl)-5,6-dimethoxy-5,6-dimethyl-1,4-dioxane-2-carboxamide
    —— 2-[(2R,3R,4R,5S,6R)-4-Allyloxy-2-azido-6-benzyloxymethyl-5-((3aS,4R,6S,7R,7aR)-7-hydroxy-4-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-tetrahydro-pyran-3-yl]-isoindole-1,3-dione 188399-01-1 C33H38N4O11
    2-[(2R,3R,4R,5S,6R)-4-Allyloxy-2-azido-6-benzyloxymethyl-5-((3aS,4R,6S,7R,7aR)-7-hydroxy-4-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-tetrahydro-pyran-3-yl]-isoindole-1,3-dione
    —— (2-Thiophenoylmethylene)pyridinium ylide 52601-55-5 C11H9NOS
    (2-Thiophenoylmethylene)pyridinium ylide
    —— 2,4-bis-acetylamino-6-nitro-quinazoline 27339-17-9 C12H11N5O4
    2,4-bis-acetylamino-6-nitro-quinazoline