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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2α,3β,19β,23-Tetraacetoxy-olean-12-en-28-saeure 105840-68-4 C38H56O10
    2α,3β,19β,23-Tetraacetoxy-olean-12-en-28-saeure
    —— 2-methyl-2-oxazoline 2-methylthio-2-thiazoline boron difluoride cation 220228-10-4 C8H14BF2N2OS2
    2-methyl-2-oxazoline 2-methylthio-2-thiazoline boron difluoride cation
    —— 2,3,4-Tris-methoxymethoxy-benzoic acid methoxymethyl ester 280136-86-9 C15H22O9
    2,3,4-Tris-methoxymethoxy-benzoic acid methoxymethyl ester
    —— (2R,5R)-2-<4-(benzoyloxy)butyl>-5-<4-(benzyloxy)butyl>-N-<(benzyloxy)carbonyl>pyrrolidine 134822-26-7 C34H41NO5
    (2R,5R)-2-<4-(benzoyloxy)butyl>-5-<4-(benzyloxy)butyl>-N-<(benzyloxy)carbonyl>pyrrolidine
    —— 2-(4-chlorophenyl)-1-{3-[4-(3-acetylaminophenyl)piperidin-1-yl]propyl}-5-nitro-1H-benzimidazole 1081111-89-8 C29H30ClN5O3
    2-(4-chlorophenyl)-1-{3-[4-(3-acetylaminophenyl)piperidin-1-yl]propyl}-5-nitro-1H-benzimidazole
    —— 2-({6-[(dimethylamino)methyl]pyridin-2-yl}amino)-5-(2-fluorophenyl)thiophene-3-carboxamide 1093872-14-0 C19H19FN4OS
    2-({6-[(dimethylamino)methyl]pyridin-2-yl}amino)-5-(2-fluorophenyl)thiophene-3-carboxamide
    —— 2-[2-(4-trifluoromethyloxyphenyl)-1,1-dioxo-2,3-dihydro-1H-benzo[d]isothiazol-3-yl]-N-hydroxyacetamide 1087007-44-0 C16H13F3N2O5S
    2-[2-(4-trifluoromethyloxyphenyl)-1,1-dioxo-2,3-dihydro-1H-benzo[d]isothiazol-3-yl]-N-hydroxyacetamide
    —— 2-(3-chloro-pyrazin-2-yl)-1-[2-(1-hydroxymethyl-cyclopropyl)-8-methoxy-[1,2,4]triazolo[1,5-a]pyridin-5-yl]-ethanone 1072077-96-3 C17H16ClN5O3
    2-(3-chloro-pyrazin-2-yl)-1-[2-(1-hydroxymethyl-cyclopropyl)-8-methoxy-[1,2,4]triazolo[1,5-a]pyridin-5-yl]-ethanone
    —— 2-{1-[6-(4-chlorophenylamino)pyrazin-2-yl]-1H-pyrrol-3-yl}acetic acid 1078718-55-4 C16H13ClN4O2
    2-{1-[6-(4-chlorophenylamino)pyrazin-2-yl]-1H-pyrrol-3-yl}acetic acid
    —— 2-(2-Benzo[1,3]dioxol-5-yl-2-hydroxy-ethyl)-6-methyl-phenol 140423-64-9 C16H16O4
    2-(2-Benzo[1,3]dioxol-5-yl-2-hydroxy-ethyl)-6-methyl-phenol
    —— 2-nitroxypropyl 2-(2-nitrobenzylidene)acetoacetate 170749-00-5 C14H14N2O8
    2-nitroxypropyl 2-(2-nitrobenzylidene)acetoacetate
    —— (2-methoxycarbonylfuran-5-ylthio)acetic acid 879403-11-9 C8H8O5S
    (2-methoxycarbonylfuran-5-ylthio)acetic acid
    —— 2-ethyl-3-hydroxyacrylonitrile lithium salt 1188283-51-3 C5H6NO*Li
    2-ethyl-3-hydroxyacrylonitrile lithium salt
    —— (+/-)-2-(azidomethyl)-2,3,6,7,8,9-hexahydronaphtho[1,2-b]furan 1228176-82-6 C13H15N3O
    (+/-)-2-(azidomethyl)-2,3,6,7,8,9-hexahydronaphtho[1,2-b]furan
    —— 2-(1,3-Dioxo-2-p-tolyl-2,3-dihydro-1H-benzo[de]isoquinolin-6-yl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid methylamide 106498-15-1 C30H21N5O4S
    2-(1,3-Dioxo-2-p-tolyl-2,3-dihydro-1H-benzo[de]isoquinolin-6-yl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid methylamide
    —— 2-N,2-N'-dibutyl-6-tert-butyl-8-(cyclohexylsulfamoylamino)-3,4-dihydrochromene-2,2-dicarboxamide 158729-62-5 C29H48N4O5S
    2-N,2-N'-dibutyl-6-tert-butyl-8-(cyclohexylsulfamoylamino)-3,4-dihydrochromene-2,2-dicarboxamide
    —— 2-acetylamino-<i>N</i>-<i>tert</i>-butyl-3,3-bis-phenylsulfanyl-acrylamide 60956-98-1 C21H24N2O2S2
    2-acetylamino-<i>N</i>-<i>tert</i>-butyl-3,3-bis-phenylsulfanyl-acrylamide
    —— 2'-amino-6-(3-methoxyphenyl)1',2,2,7-tetramethylspiro[chroman-4,4'-imidazol]-5'(1'H)-one 1311262-41-5 C22H25N3O3
    2'-amino-6-(3-methoxyphenyl)1',2,2,7-tetramethylspiro[chroman-4,4'-imidazol]-5'(1'H)-one
    —— 2-[Dimethyl(octadecyl)azaniumyl]oxyethyl sulfite 29102-30-5 C22H47NO4S
    2-[Dimethyl(octadecyl)azaniumyl]oxyethyl sulfite
    —— [(2-amino-phenylcarbamoyl)-methyl]-carbamic acid 9H-fluoren-9-ylmethyl ester 918435-72-0 C23H21N3O3
    [(2-amino-phenylcarbamoyl)-methyl]-carbamic acid 9H-fluoren-9-ylmethyl ester
    —— 2-Hydroxy-4,4-dimethyl-6-oxo-cyclohex-1-enecarbothioic acid (2-bromo-4-methyl-phenyl)-amide 135085-81-3 C16H18BrNO2S
    2-Hydroxy-4,4-dimethyl-6-oxo-cyclohex-1-enecarbothioic acid (2-bromo-4-methyl-phenyl)-amide
    —— 2-(2-p-tosyl-1-phenylethylidene)malononitrile 1334785-98-6 C18H14N2O2S
    2-(2-p-tosyl-1-phenylethylidene)malononitrile
    —— 2-Benzyl-N-[(S)-1-((1S,2R)-3-cyclohexanesulfonyl-1-cyclohexylmethyl-2-hydroxy-propylcarbamoyl)-2-(1H-imidazol-4-yl)-ethyl]-3-phenyl-propionamide 110206-00-3 C38H52N4O5S
    2-Benzyl-N-[(S)-1-((1S,2R)-3-cyclohexanesulfonyl-1-cyclohexylmethyl-2-hydroxy-propylcarbamoyl)-2-(1H-imidazol-4-yl)-ethyl]-3-phenyl-propionamide
    —— (2R)-1-morpholin-4-yl-1-oxo-3-phenylpropan-2-ol 639083-71-9 C13H17NO3
    (2R)-1-morpholin-4-yl-1-oxo-3-phenylpropan-2-ol
    —— 2-(4-<i>tert</i>-butyl-thiazol-2-ylamino)-4-(1,1,3,3-tetramethyl-butyl)-phenol 1745-22-8 C21H32N2OS
    2-(4-<i>tert</i>-butyl-thiazol-2-ylamino)-4-(1,1,3,3-tetramethyl-butyl)-phenol
    —— 2α-chloro-5α-estrane-3,17-dione 103304-61-6 C18H25ClO2
    2α-chloro-5α-estrane-3,17-dione
    —— 2-(4-methoxyphenyl)-1,4-dimethyl-5-phenyl-1H-imidazole 3-oxide 1127563-34-1 C18H18N2O2
    2-(4-methoxyphenyl)-1,4-dimethyl-5-phenyl-1H-imidazole 3-oxide
    —— 2-(5-bromofuran-2-yl)-3-methyl-3H-imidazo[4,5-f]quinoline 42143-11-3 C15H10BrN3O
    2-(5-bromofuran-2-yl)-3-methyl-3H-imidazo[4,5-f]quinoline
    —— (20S,22R)-22-hydroxy-3α,5-cyclo-6,6-ethylenedioxy-24-nor-5α-cholestan-23-al 202806-61-9 C25H38O4
    (20S,22R)-22-hydroxy-3α,5-cyclo-6,6-ethylenedioxy-24-nor-5α-cholestan-23-al
    —— 2,3-(methylenedioxy)-3'-nitrodibenzylamine 908274-58-8 C15H14N2O4
    2,3-(methylenedioxy)-3'-nitrodibenzylamine
    —— (2S)-2,4,5,/3-2,3,4-triacetoxy-5-hydroxycyclohexanone 76371-38-5 C12H16O8
    (2S)-2,4,5,/3-2,3,4-triacetoxy-5-hydroxycyclohexanone
    —— (20S,22R,25R)-26-acetylamino-2β,3β,14α-trihydroxy-5α-furost-7-en-6-one 79156-49-3 C29H45NO6
    (20S,22R,25R)-26-acetylamino-2β,3β,14α-trihydroxy-5α-furost-7-en-6-one
    —— (2R,3R)-N-{[(S)-2-(N'-Acetyl-hydrazino)-1-benzyl-2-oxo-ethylcarbamoyl]-methyl}-2-[(S)-2-amino-3-(4-hydroxy-phenyl)-propionylamino]-3-hydroxy-butyramide 73976-45-1 C26H34N6O7
    (2R,3R)-N-{[(S)-2-(N'-Acetyl-hydrazino)-1-benzyl-2-oxo-ethylcarbamoyl]-methyl}-2-[(S)-2-amino-3-(4-hydroxy-phenyl)-propionylamino]-3-hydroxy-butyramide
    —— 2-[5-(3,4-Dimethoxy-phenyl)-4,5-dihydro-isoxazol-3-yl]-phenol 75676-15-2 C17H17NO4
    2-[5-(3,4-Dimethoxy-phenyl)-4,5-dihydro-isoxazol-3-yl]-phenol
    —— 2-Amino-9-((1R,2R,3R,4S)-2-fluoro-3,4-dihydroxy-4-hydroxymethyl-cyclopentyl)-1,9-dihydro-purin-6-one 127454-07-3 C11H14FN5O4
    2-Amino-9-((1R,2R,3R,4S)-2-fluoro-3,4-dihydroxy-4-hydroxymethyl-cyclopentyl)-1,9-dihydro-purin-6-one
    —— 2-{4-[{4-(4-chlorophenyl)-2-methyl-5-pyrimidinyl}methoxy]phenyl}-1-cyclohexylbenzimidazole-5-carboxylic acid hydrochloride 347167-52-6 C32H29ClN4O3*ClH
    2-{4-[{4-(4-chlorophenyl)-2-methyl-5-pyrimidinyl}methoxy]phenyl}-1-cyclohexylbenzimidazole-5-carboxylic acid hydrochloride
    —— 2,3,6,2',5'-Pentaacetoxy-4,4'-dimethoxy-biphenyl 123103-08-2 C24H24O12
    2,3,6,2',5'-Pentaacetoxy-4,4'-dimethoxy-biphenyl
    —— 2,2-Difluoro-1-(oxolan-2-yl)ethan-1-amine 1552522-02-7 C6H11F2NO
    2,2-Difluoro-1-(oxolan-2-yl)ethan-1-amine
    —— 2,2-bis(3-amino-4-hydroxy-5-trifluoromethylphenyl)hexafluoropropane 265311-51-1 C17H10F12N2O2
    2,2-bis(3-amino-4-hydroxy-5-trifluoromethylphenyl)hexafluoropropane
    —— 2,3,6-Trichlor-4-methoxypyridin 23985-89-9 C6H4Cl3NO
    2,3,6-Trichlor-4-methoxypyridin
    —— 2-Amino-4-(3-bromophenyl)-2-methylbutanoic acid 1226215-79-7 C11H14BrNO2
    2-Amino-4-(3-bromophenyl)-2-methylbutanoic acid
    —— 2-(piperazin-1-yl)-1-methyl-1H-indole-3-carboxaldehyde 847801-58-5 C14H17N3O
    2-(piperazin-1-yl)-1-methyl-1H-indole-3-carboxaldehyde
    —— 2,4-di-tert-butyl-N-{5-[(1E)-3-hydroxyprop-1-en-1-yl]-2,3-dihydro-1H-inden-2-yl}benzenesulfonamide 1027799-84-3 C26H35NO3S
    2,4-di-tert-butyl-N-{5-[(1E)-3-hydroxyprop-1-en-1-yl]-2,3-dihydro-1H-inden-2-yl}benzenesulfonamide
    —— 2.4-Bis-<3.3.3-trifluor-propyl>-hexamethyl-cyclotetrasiloxan 15445-52-0 C12H26F6O4Si4
    2.4-Bis-<3.3.3-trifluor-propyl>-hexamethyl-cyclotetrasiloxan
    —— 2-Methylglutarsaeure-diamylester 101434-28-0 C16H30O4
    2-Methylglutarsaeure-diamylester
    —— 2-<4-Hydroxy-phenyl>-Δ<sup>1</sup>-piperidein 91132-23-9 C11H13NO
    2-<4-Hydroxy-phenyl>-Δ<sup>1</sup>-piperidein
    —— 2-(3,3-dimethylbutyryl)-7-p-tolyl-1,3,4,11a-tetrahydro-2H,10H-2,4a,10-triazadibenzo[a,d]cycloheptene-5,11-dione 1262130-61-9 C25H29N3O3
    2-(3,3-dimethylbutyryl)-7-p-tolyl-1,3,4,11a-tetrahydro-2H,10H-2,4a,10-triazadibenzo[a,d]cycloheptene-5,11-dione
    —— 2,3-dimethyl-9,10-di-<i>o</i>-tolyl-anthracene 116378-29-1 C30H26
    2,3-dimethyl-9,10-di-<i>o</i>-tolyl-anthracene
    —— 2-(3,4-dimethoxybenzoyl)-1-nitronaphthalene 1009362-21-3 C19H15NO5
    2-(3,4-dimethoxybenzoyl)-1-nitronaphthalene
    —— 2-{[2-(2,3-dihydro-1H-inden-2-yl)-1,1-dimethylethyl]amino}-1-[5-(2-pyridinyl)-2-thienyl]ethanol 1148012-13-8 C24H28N2OS
    2-{[2-(2,3-dihydro-1H-inden-2-yl)-1,1-dimethylethyl]amino}-1-[5-(2-pyridinyl)-2-thienyl]ethanol