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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-methyl-7-(methanesulfonyl)-2,7-diazabicyclo<4.1.0>hept-3-ene 76639-74-2 C7H12N2O2S
    2-methyl-7-(methanesulfonyl)-2,7-diazabicyclo<4.1.0>hept-3-ene
    —— 2,6-dibromo-N-(2-hexyldecanoyl)dithieno[3,2-b:2',3'-d]pyrrole 1608484-03-2 C24H33Br2NOS2
    2,6-dibromo-N-(2-hexyldecanoyl)dithieno[3,2-b:2',3'-d]pyrrole
    —— 2-benzoyl-7-methoxy-5-phenyl-1,5-benzothiazepin-4(5H)-one 1056199-59-7 C23H17NO3S
    2-benzoyl-7-methoxy-5-phenyl-1,5-benzothiazepin-4(5H)-one
    —— (2R,3R,4S,6R)-2-(2-(benzyloxy)ethyl)-6-((4R,5R)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)-3-methyltetrahydro-2H-pyran-4-ol 1187056-67-2 C22H32O5
    (2R,3R,4S,6R)-2-(2-(benzyloxy)ethyl)-6-((4R,5R)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)-3-methyltetrahydro-2H-pyran-4-ol
    —— 2<i>r</i>,5<i>t</i>-di-<i>tert</i>-butyl-2,5<i>c</i>-dimethyl-2,5-dihydro-[1,3,4]thiadiazole 1,1-dioxide 36611-70-8 C12H24N2O2S
    2<i>r</i>,5<i>t</i>-di-<i>tert</i>-butyl-2,5<i>c</i>-dimethyl-2,5-dihydro-[1,3,4]thiadiazole 1,1-dioxide
    —— 2-carbamoyloxymethyl-1-methyl-4-nitro-1<i>H</i>-imidazole 14953-68-5 C6H8N4O4
    2-carbamoyloxymethyl-1-methyl-4-nitro-1<i>H</i>-imidazole
    —— 2-Heptyl-5.6.7.8-tetrahydro-3-hydroxy-naphthochinon-(1.4) 93809-92-8 C17H24O3
    2-Heptyl-5.6.7.8-tetrahydro-3-hydroxy-naphthochinon-(1.4)
    —— 2-Methyl-1-oxo-1,2,2a,6,7,8-hexahydro-9-oxa-2-aza-cyclobuta[d]naphthalene-5-carboxylic acid ethyl ester 139061-69-1 C14H17NO4
    2-Methyl-1-oxo-1,2,2a,6,7,8-hexahydro-9-oxa-2-aza-cyclobuta[d]naphthalene-5-carboxylic acid ethyl ester
    —— 2,3,5-Trimethyl-7H-furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazine-8-thione 168838-08-2 C11H11N3OS
    2,3,5-Trimethyl-7H-furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazine-8-thione
    —— 2,4-Ditert-butyl-6-[3-(3,5-ditert-butyl-2-hydroxyphenyl)-4,5-dihydroimidazol-3-ium-1-yl]phenol 1144162-05-9 C31H47N2O2
    2,4-Ditert-butyl-6-[3-(3,5-ditert-butyl-2-hydroxyphenyl)-4,5-dihydroimidazol-3-ium-1-yl]phenol
    —— 2-[5-(4-hydroxyphenyl)-6-phenylfuro[2,3-d]pyrimidin-4-ylamino]ethanol 1208346-59-1 C20H17N3O3
    2-[5-(4-hydroxyphenyl)-6-phenylfuro[2,3-d]pyrimidin-4-ylamino]ethanol
    —— (2Z,4E,6S,7S,9S,10Z,12S,13R,14S,16S,20R,21S,22S,23Z)-methyl 7,9,13-tris(tert-butyldimethylsilyloxy)-21-(4-methoxybenzyloxy)-6,12,14,16,20,22-hexamethyl-19-oxohexacosa-2,4,10,23,25-pentaenoate 1075200-58-6 C59H104O8Si3
    (2Z,4E,6S,7S,9S,10Z,12S,13R,14S,16S,20R,21S,22S,23Z)-methyl 7,9,13-tris(tert-butyldimethylsilyloxy)-21-(4-methoxybenzyloxy)-6,12,14,16,20,22-hexamethyl-19-oxohexacosa-2,4,10,23,25-pentaenoate
    —— 2,3,5,6-Tetramethyl-4-iodphenylacetat 32134-70-6 C12H15IO2
    2,3,5,6-Tetramethyl-4-iodphenylacetat
    —— 2-(3-benzyloxy-5-ethoxyphenyl)-6-(pyrrolidin-1-yl)quinolin-4(1H)-one 1452587-65-3 C28H28N2O3
    2-(3-benzyloxy-5-ethoxyphenyl)-6-(pyrrolidin-1-yl)quinolin-4(1H)-one
    —— 2-[(3-bromophenyl)amino]-5-iodopyrimidin-4(3H)-one 1378998-88-9 C10H7BrIN3O
    2-[(3-bromophenyl)amino]-5-iodopyrimidin-4(3H)-one
    —— [(2S,4aS,5R,6R,8R,8aS)-6-Methoxy-2-phenyl-5-(toluene-4-sulfonyl)-hexahydro-pyrano[3,4-d][1,3]dioxin-8-yl]-methanol 502635-90-7 C22H26O7S
    [(2S,4aS,5R,6R,8R,8aS)-6-Methoxy-2-phenyl-5-(toluene-4-sulfonyl)-hexahydro-pyrano[3,4-d][1,3]dioxin-8-yl]-methanol
    —— 2-methyl-1',2',3',5',7',8'-hexahydro-spiro[cyclopentane-1,6'-cyclopenta[<i>b</i>]naphthalene] 860417-97-6 C18H24
    2-methyl-1',2',3',5',7',8'-hexahydro-spiro[cyclopentane-1,6'-cyclopenta[<i>b</i>]naphthalene]
    —— 2,5-bis-aziridin-1-yl-3-(2-carbamoyloxy-1-ethoxy-ethyl)-6-ethyl-[1,4]benzoquinone 38931-38-3 C17H23N3O5
    2,5-bis-aziridin-1-yl-3-(2-carbamoyloxy-1-ethoxy-ethyl)-6-ethyl-[1,4]benzoquinone
    —— 2,6-bis(1-(3-propylsulfonate)benzimidazol-2'-yl)pyridine 1319258-45-1 C25H25N5O6S2
    2,6-bis(1-(3-propylsulfonate)benzimidazol-2'-yl)pyridine
    —— 2-[(Z)-2-ethylsulfanyl-1-thiophen-2-ylethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1562258-36-9 C14H21BO2S2
    2-[(Z)-2-ethylsulfanyl-1-thiophen-2-ylethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— 2-chloro-6-cyclohexyl-7,8,9,10-tetrahydro-6<i>H</i>-benzo[<i>e</i>]pyrido[2,1-<i>c</i>][1,2,4]triazine 18596-16-2 C17H22ClN3
    2-chloro-6-cyclohexyl-7,8,9,10-tetrahydro-6<i>H</i>-benzo[<i>e</i>]pyrido[2,1-<i>c</i>][1,2,4]triazine
    —— 2,5,6-Triphenyl-3-<2-(benzal-amino)-aethyl>-4(3H)-pyrimidinon 37638-19-0 C31H25N3O
    2,5,6-Triphenyl-3-<2-(benzal-amino)-aethyl>-4(3H)-pyrimidinon
    —— 2-<((2-Hydroxy-ethyl)-methylamino)-ethyl>-<4-ethoxy-benzoat> 37082-02-3 C14H21NO4
    2-<((2-Hydroxy-ethyl)-methylamino)-ethyl>-<4-ethoxy-benzoat>
    —— 2-Brom-2-chlor-3,3-diphenylthiiran 34281-41-9 C14H10BrClS
    2-Brom-2-chlor-3,3-diphenylthiiran
    —— 2-(O,O-Dipropyl-phosphonomethyl)-indol 17055-99-1 C15H22NO3P
    2-(O,O-Dipropyl-phosphonomethyl)-indol
    —— 2-methyl-1-[3-(3-methyl-3<i>H</i>-diazirin-3-yl)-propionyl]-aziridine 36902-09-7 C8H13N3O
    2-methyl-1-[3-(3-methyl-3<i>H</i>-diazirin-3-yl)-propionyl]-aziridine
    —— 2,3-Epoxy-2,4,4,6-tetramethyl-3,5-diperdeuteromethyl-2,5-cyclohexadienon 50506-41-7 C12H18O2
    2,3-Epoxy-2,4,4,6-tetramethyl-3,5-diperdeuteromethyl-2,5-cyclohexadienon
    —— 2,2-Diethyl-butyric acid 4-nitro-phenyl ester 59711-28-3 C14H19NO4
    2,2-Diethyl-butyric acid 4-nitro-phenyl ester
    —— 2-[5-benzyl-1,4,5-trimethyl-3,6-dioxopiperazin-2-ylidenemethyl]-6-fluorobenzonitrile 1092732-26-7 C22H20FN3O2
    2-[5-benzyl-1,4,5-trimethyl-3,6-dioxopiperazin-2-ylidenemethyl]-6-fluorobenzonitrile
    —— 2-Methyl-5-phenyl-pentadien-(2,4)-saeure-diaethylamid 22954-50-3 C16H21NO
    2-Methyl-5-phenyl-pentadien-(2,4)-saeure-diaethylamid
    —— 2-(4-chloro-phenyl)-1,3,4,7-tetrahydro-isoindole-5,6-dicarboxylic acid dimethyl ester 32515-71-2 C18H18ClNO4
    2-(4-chloro-phenyl)-1,3,4,7-tetrahydro-isoindole-5,6-dicarboxylic acid dimethyl ester
    —— 2-Methyl-1-<2-(p-methoxy-phenylmercapto)-ethyl>-6,7-dimethoxy-1,2,3,4-tetrahydro-isochinolin 22309-39-3 C21H27NO3S
    2-Methyl-1-<2-(p-methoxy-phenylmercapto)-ethyl>-6,7-dimethoxy-1,2,3,4-tetrahydro-isochinolin
    —— 2-(5-chloro-2-hydroxy-phenylazo)-5,5-dimethyl-5,6-dihydro-4<i>H</i>-benzothiazol-7-one 54010-65-0 C15H14ClN3O2S
    2-(5-chloro-2-hydroxy-phenylazo)-5,5-dimethyl-5,6-dihydro-4<i>H</i>-benzothiazol-7-one
    —— [2-(4-Chloro-phenyl)-2-methoxy-1-methyl-ethyl]-carbamic acid ethyl ester 33416-38-5 C13H18ClNO3
    [2-(4-Chloro-phenyl)-2-methoxy-1-methyl-ethyl]-carbamic acid ethyl ester
    —— 2-[1-(6-amino-purin-9-yl)-2-hydroxy-ethoxy]-3-chloro-propan-1-ol 81919-32-6 C10H14ClN5O3
    2-[1-(6-amino-purin-9-yl)-2-hydroxy-ethoxy]-3-chloro-propan-1-ol
    —— 2-{2-hydroxy-3-[4-(2-oxo-imidazolidin-1-yl)-piperidin-1-yl]-propoxy}-benzonitrile 60515-24-4 C18H24N4O3
    2-{2-hydroxy-3-[4-(2-oxo-imidazolidin-1-yl)-piperidin-1-yl]-propoxy}-benzonitrile
    —— 2-Cyano-N-(2,4-dimethoxy-phenyl)-benzamide 50286-75-4 C16H14N2O3
    2-Cyano-N-(2,4-dimethoxy-phenyl)-benzamide
    —— 2,3-Bis-(4-methoxy-phenyl)-pentanoic acid 2-(2,5-dimethyl-pyrrolidin-1-yl)-ethyl ester 1179-04-0 C27H37NO4
    2,3-Bis-(4-methoxy-phenyl)-pentanoic acid 2-(2,5-dimethyl-pyrrolidin-1-yl)-ethyl ester
    —— 2-Benzyl-4-chloro-3,4-dihydro-quinazoline 92434-92-9 C15H13ClN2
    2-Benzyl-4-chloro-3,4-dihydro-quinazoline
    —— 2-[4-(4-Thiocarbamoyl-phenoxy)-phenoxy]-propionic acid 2-methoxy-ethyl ester 69845-87-0 C19H21NO5S
    2-[4-(4-Thiocarbamoyl-phenoxy)-phenoxy]-propionic acid 2-methoxy-ethyl ester
    —— 2-Benzyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid {4-methoxy-3-[3-(4-methoxy-phenyl)-3-oxo-propionylamino]-phenyl}-amide 105521-15-1 C33H27N3O7
    2-Benzyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid {4-methoxy-3-[3-(4-methoxy-phenyl)-3-oxo-propionylamino]-phenyl}-amide
    —— (2S,4R)-1-Methyl-4-propyl-pyrrolidine-2-carboxylic acid [1-((2R,3R,4S,5R,6R)-6-cyclohexylsulfanyl-3,4,5-trihydroxy-tetrahydro-pyran-2-yl)-2-hydroxy-propyl]-amide 14042-46-7 C23H42N2O6S
    (2S,4R)-1-Methyl-4-propyl-pyrrolidine-2-carboxylic acid [1-((2R,3R,4S,5R,6R)-6-cyclohexylsulfanyl-3,4,5-trihydroxy-tetrahydro-pyran-2-yl)-2-hydroxy-propyl]-amide
    —— 2-[(2,6-Diallyl-phenyl)-(2-methoxycarbonyl-acetyl)-amino]-propionic acid methyl ester 71764-55-1 C20H25NO5
    2-[(2,6-Diallyl-phenyl)-(2-methoxycarbonyl-acetyl)-amino]-propionic acid methyl ester
    —— 2,3-dichloro-7-methoxy-quinoxaline-6-sulfonic acid phenyl ester 2471-47-8 C15H10Cl2N2O4S
    2,3-dichloro-7-methoxy-quinoxaline-6-sulfonic acid phenyl ester
    —— 2-N-methyl-6-[5-(1-methyl-1H-pyrazol-3-yl)-1,2,4-oxadiazol-3-yl]-2-N-phenyl-1,3,5-triazine-2,4-diamine 1366660-44-7 C16H15N9O
    2-N-methyl-6-[5-(1-methyl-1H-pyrazol-3-yl)-1,2,4-oxadiazol-3-yl]-2-N-phenyl-1,3,5-triazine-2,4-diamine
    —— 2-Cyano-3-amino-19-norcholesta-2.5(10)-dien 23629-33-6 C27H42N2
    2-Cyano-3-amino-19-norcholesta-2.5(10)-dien
    —— 2-(6-chloro-2-propyl-pyrimidin-4-ylamino)-benzoic acid 16285-92-0 C14H14ClN3O2
    2-(6-chloro-2-propyl-pyrimidin-4-ylamino)-benzoic acid
    —— 2-Hydroxy-5-methoxy-5-oxo-1-aza-5λ<sup>5</sup>-phospha-bicyclo[4.2.0]octan-8-one 90524-54-2 C7H12NO4P
    2-Hydroxy-5-methoxy-5-oxo-1-aza-5λ<sup>5</sup>-phospha-bicyclo[4.2.0]octan-8-one
    —— 2-[1-(3-Chloro-5-hydroxy-5H-dibenzo[a,d]cyclohepten-5-yl)-ethyl]-1-methyl-pyridinium 106302-00-5 C23H21ClNO
    2-[1-(3-Chloro-5-hydroxy-5H-dibenzo[a,d]cyclohepten-5-yl)-ethyl]-1-methyl-pyridinium
    —— 2-Chloro-3,20-21-trioxo-9α-fluoro-11β,17α-dihydroxy-16α-methyl-Δ<sup>1,4</sup>-pregnadien-21-methylhemiacetal 50629-78-2 C23H30ClFO6
    2-Chloro-3,20-21-trioxo-9α-fluoro-11β,17α-dihydroxy-16α-methyl-Δ<sup>1,4</sup>-pregnadien-21-methylhemiacetal