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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Jod-adenosin-3',5'-cyclo-phosphat 68892-35-3 C10H11IN5O6P
    2-Jod-adenosin-3',5'-cyclo-phosphat
    —— 2-[2-(benzyl-methyl-amino)-ethyl]-2-thiophen-2-yl-hexanenitrile 69347-51-9 C20H26N2S
    2-[2-(benzyl-methyl-amino)-ethyl]-2-thiophen-2-yl-hexanenitrile
    —— 2-methyl-3-oxy-pyrido[2,3-<i>d</i>]pyrimidin-4-ylamine 69278-09-7 C8H8N4O
    2-methyl-3-oxy-pyrido[2,3-<i>d</i>]pyrimidin-4-ylamine
    —— 2-(4-<i>tert</i>-butyl-benzyl)-1,1-diethyl-3-pyridin-3-yl-isothiourea 67087-02-9 C21H29N3S
    2-(4-<i>tert</i>-butyl-benzyl)-1,1-diethyl-3-pyridin-3-yl-isothiourea
    —— (2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-2-fluoromethyl-6-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-ol 67693-20-3 C54H57FO10
    (2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-2-fluoromethyl-6-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-ol
    —— 2-((cyclohexylmethyl)amino)-1-thia-3-azaspiro[4.4]non-2-en-4-one 870710-90-0 C14H22N2OS
    2-((cyclohexylmethyl)amino)-1-thia-3-azaspiro[4.4]non-2-en-4-one
    —— (2S)-2-[(2,6-dichlorobenzoyl)amino]-3-[4-(4-methyl-1-oxoisoquinolin-2-yl)phenyl]propanoic acid 554418-30-3 C26H20Cl2N2O4
    (2S)-2-[(2,6-dichlorobenzoyl)amino]-3-[4-(4-methyl-1-oxoisoquinolin-2-yl)phenyl]propanoic acid
    —— 2-((5-chloro-2-((3-nitrophenyl)amino)pyrimidin-4-yl)amino)-N-methylbenzamide 1346447-70-8 C18H15ClN6O3
    2-((5-chloro-2-((3-nitrophenyl)amino)pyrimidin-4-yl)amino)-N-methylbenzamide
    —— 2-[(1-methyl-2-methylidene-3-phenylbut-3-en-1-yl)oxy]phenol 1094215-51-6 C18H18O2
    2-[(1-methyl-2-methylidene-3-phenylbut-3-en-1-yl)oxy]phenol
    —— 2-hydroxy-benzaldehyde O-(3,4-methylenedioxy-benzyl)-oxime 937273-72-8 C15H13NO4
    2-hydroxy-benzaldehyde O-(3,4-methylenedioxy-benzyl)-oxime
    —— 2-hept-1-en-3-yl-1,3-dithiane 95313-89-6 C11H20S2
    2-hept-1-en-3-yl-1,3-dithiane
    —— 2-<(α-formyl)propylidene>hexahydro-1H-azepine 86921-68-8 C10H17NO
    2-<(α-formyl)propylidene>hexahydro-1H-azepine
    —— 2-[[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexyl]amino]acetic acid 945606-66-6 C28H37N3O6
    2-[[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexyl]amino]acetic acid
    —— 2'‐(benzoxazol‐2‐yl)biphenyl‐4‐carboxylic acid 1592629-39-4 C20H13NO3
    2'‐(benzoxazol‐2‐yl)biphenyl‐4‐carboxylic acid
    —— 2-N,4-N-bis(4-methylphenyl)-3-[6-(4-nitrophenyl)sulfanyl-1,3-benzothiazol-2-yl]-1,3-thiazolidine-2,4-diimine 134961-45-8 C30H23N5O2S3
    2-N,4-N-bis(4-methylphenyl)-3-[6-(4-nitrophenyl)sulfanyl-1,3-benzothiazol-2-yl]-1,3-thiazolidine-2,4-diimine
    —— (2R)-2-Benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-4-(5-phenylpentyl)piperazine hydrochloride 169459-07-8 C31H32F6N2O*ClH
    (2R)-2-Benzyl-1-[3,5-bis(trifluoromethyl)benzoyl]-4-(5-phenylpentyl)piperazine hydrochloride
    —— 2-[2-(4-formyl-piperazin-1-yl)-5-nitro-6-(1-oxo-1λ<sup>4</sup>-thiomorpholin-4-yl)-pyrimidin-4-ylamino]-benzoic acid 56033-77-3 C20H23N7O6S
    2-[2-(4-formyl-piperazin-1-yl)-5-nitro-6-(1-oxo-1λ<sup>4</sup>-thiomorpholin-4-yl)-pyrimidin-4-ylamino]-benzoic acid
    —— 2,6-dimethylphenyl 3-O-acetyl-4,6-O-benzylidene-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside 1450810-12-4 C31H29NO7S
    2,6-dimethylphenyl 3-O-acetyl-4,6-O-benzylidene-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside
    —— 2,2'-bis-[(4-methoxy-benzylidene)-hydrazino]-1,1'-benzo[1,2-<i>d</i>;4,5-<i>d</i>']bisoxazole-2,6-diyl-bis-ethanone 68578-94-9 C28H24N6O6
    2,2'-bis-[(4-methoxy-benzylidene)-hydrazino]-1,1'-benzo[1,2-<i>d</i>;4,5-<i>d</i>']bisoxazole-2,6-diyl-bis-ethanone
    —— 2'-acetyl-6'-amino-2-oxospiro[1H-indole-3,3'-pyridazino[1,6-a]quinazoline]-4'-carbonitrile 1155873-29-2 C21H14N6O2
    2'-acetyl-6'-amino-2-oxospiro[1H-indole-3,3'-pyridazino[1,6-a]quinazoline]-4'-carbonitrile
    —— 2-(1-ethyl-2-methyl-propyl)-4,4-dimethyl-4,5-dihydro-oxazole 34575-30-9 C11H21NO
    2-(1-ethyl-2-methyl-propyl)-4,4-dimethyl-4,5-dihydro-oxazole
    —— 2,2-spiropentamethylene-3-(2'-benzyloxycarbonylethyl)-7-methyl-3,7-diaza-4-oxabicyclo<3.3.0>octane-6,8-dione 135581-23-6 C21H26N2O5
    2,2-spiropentamethylene-3-(2'-benzyloxycarbonylethyl)-7-methyl-3,7-diaza-4-oxabicyclo<3.3.0>octane-6,8-dione
    —— 2′-azidoethyl 5-(2-hydroxyacetamido)-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate-(2-3)-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→3)-[5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate-(2-6)]-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranoside 1499184-60-9 C52H85N7O38
    2′-azidoethyl 5-(2-hydroxyacetamido)-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate-(2-3)-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→3)-[5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate-(2-6)]-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranoside
    —— 2-dimethylamino-hexan-1-ol 56956-08-2 C8H19NO
    2-dimethylamino-hexan-1-ol
    —— (2S)-2-((2aR,3R,5aS,8S,9S,11aR,12aS)-9-acetoxy-2a,5a,8-trimethyltetradecahydro-1H,12H-cyclopenta[a]cyclopropa[e]phenanthren-3-yl)propanoic acid 78330-47-9 C26H40O4
    (2S)-2-((2aR,3R,5aS,8S,9S,11aR,12aS)-9-acetoxy-2a,5a,8-trimethyltetradecahydro-1H,12H-cyclopenta[a]cyclopropa[e]phenanthren-3-yl)propanoic acid
    —— 2,5-dioxopyrrolidin-1-yl 4-((2-(2-oxo-2-phenoxyethyl)phenyl)disulfaneyl)pentanoate 1613697-62-3 C23H23NO6S2
    2,5-dioxopyrrolidin-1-yl 4-((2-(2-oxo-2-phenoxyethyl)phenyl)disulfaneyl)pentanoate
    —— 2-(naphthyl-α-azo)imidazole 928201-93-8 C13H10N4
    2-(naphthyl-α-azo)imidazole
    —— 2-<(4-phenyl-1,3-dioxan-trans-5-yl)methyl>-1,3-dithiane 104693-34-7 C15H20O2S2
    2-<(4-phenyl-1,3-dioxan-trans-5-yl)methyl>-1,3-dithiane
    —— 2,2,2-Trichloro-1-(2-methoxy-5-nitro-phenyl)-ethanol 59424-90-7 C9H8Cl3NO4
    2,2,2-Trichloro-1-(2-methoxy-5-nitro-phenyl)-ethanol
    —— (2-acetyl thioethylene)dihydroxy borane 89089-21-4 C4H7BO3S
    (2-acetyl thioethylene)dihydroxy borane
    —— (2R,3S)-3-benzyloxy-1,2-di-O-isopropylidene-1,2-pentanediol 99838-61-6 C15H22O3
    (2R,3S)-3-benzyloxy-1,2-di-O-isopropylidene-1,2-pentanediol
    —— 2,2'-bis-(3-chloro-phenyl)-4,5,4',5'-tetraphenyl-4<i>H</i>,4'<i>H</i>-[4,4']biimidazolyl 7292-17-3 C42H28Cl2N4
    2,2'-bis-(3-chloro-phenyl)-4,5,4',5'-tetraphenyl-4<i>H</i>,4'<i>H</i>-[4,4']biimidazolyl
    —— 2-[[(4-Chloro-3-methyl)pyridin-2-yl]methylthio]-6-fluoro-5-(imidazol-1-yl)-1H-benzimidazole 216882-25-6 C17H13ClFN5S
    2-[[(4-Chloro-3-methyl)pyridin-2-yl]methylthio]-6-fluoro-5-(imidazol-1-yl)-1H-benzimidazole
    —— 2-(1,3-dibromopropyl)-6-methylphenyl acetate 911817-85-1 C12H14Br2O2
    2-(1,3-dibromopropyl)-6-methylphenyl acetate
    —— 2-(2-nitrophenyl)but-3-en-1-ol 855743-28-1 C10H11NO3
    2-(2-nitrophenyl)but-3-en-1-ol
    —— 2-ethyl-1,2-dihydro-2-methyl-4H-benzo[e][1,4]diazepine-3,5-dione 1416791-83-7 C12H14N2O2
    2-ethyl-1,2-dihydro-2-methyl-4H-benzo[e][1,4]diazepine-3,5-dione
    —— 2-cyclopropyl-2-(piperidin-1-ylamino)acetonitrile 1056017-21-0 C10H17N3
    2-cyclopropyl-2-(piperidin-1-ylamino)acetonitrile
    —— 2-[[Dipyridin-2-ylmethyl(pyridin-2-ylmethyl)amino]methyl]benzenethiol 1380066-43-2 C24H22N4S
    2-[[Dipyridin-2-ylmethyl(pyridin-2-ylmethyl)amino]methyl]benzenethiol
    —— 2-(dimethylamino)-4,5,6,7-tetrahydro-2-boraindane 160318-64-9 C10H18BN
    2-(dimethylamino)-4,5,6,7-tetrahydro-2-boraindane
    —— 2-Benzyl-N-cyano-2-methyl-hydrazincarboximidsaeurephenylester 112528-23-1 C16H16N4O
    2-Benzyl-N-cyano-2-methyl-hydrazincarboximidsaeurephenylester
    —— (2E)-N-(2-iodo-6-methoxyphenyl)-5-amino-2-methyl-5-phenyl-2-penten-1-ol acetate 838828-56-1 C21H24INO3
    (2E)-N-(2-iodo-6-methoxyphenyl)-5-amino-2-methyl-5-phenyl-2-penten-1-ol acetate
    —— 2,6-bis(2,4,6-trimethylphenyl)phenylboronic acid 1004321-88-3 C24H27BO2
    2,6-bis(2,4,6-trimethylphenyl)phenylboronic acid
    —— 2-(4-methyl-3-nitrophenylsulfonyl)guanidine 369648-99-7 C8H10N4O4S
    2-(4-methyl-3-nitrophenylsulfonyl)guanidine
    —— 2-(p-Chlor-benzoyl)-pyridinol-(3) 19974-88-0 C12H8ClNO2
    2-(p-Chlor-benzoyl)-pyridinol-(3)
    —— (2,2-Diethoxy-ethyl)-(5-methoxy-phenanthro[2,3-d][1,3]dioxol-6-yl)-methyl-amine 67909-92-6 C23H27NO5
    (2,2-Diethoxy-ethyl)-(5-methoxy-phenanthro[2,3-d][1,3]dioxol-6-yl)-methyl-amine
    —— 2,3,7,8,12,13,17,18-octaethyl-5-(2-methoxy-phenyl)-21<i>H</i>,23<i>H</i>-porphine 65858-35-7 C43H52N4O
    2,3,7,8,12,13,17,18-octaethyl-5-(2-methoxy-phenyl)-21<i>H</i>,23<i>H</i>-porphine
    —— 2-[2-((3S,10S,13R,17R)-3-Acetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-ethylidene]-malonic acid diethyl ester 66979-39-3 C30H46O6
    2-[2-((3S,10S,13R,17R)-3-Acetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-ethylidene]-malonic acid diethyl ester
    —— 2-Benzylamido-2-deoxy-D<1-<sup>13</sup>C>glucononitril 67583-57-7 C13H18N2O4
    2-Benzylamido-2-deoxy-D<1-<sup>13</sup>C>glucononitril
    —— 2,6-Difluor-3-hydroxydiflubenzuron 69989-69-1 C14H9ClF2N2O3
    2,6-Difluor-3-hydroxydiflubenzuron
    —— (2S,3R)-1-[(2S)-N-Boc-2-(3,5-dihydroxyadamant-1-yl)glycin]-2,3-methanopyrrolidine 841302-43-0 C22H34N2O5
    (2S,3R)-1-[(2S)-N-Boc-2-(3,5-dihydroxyadamant-1-yl)glycin]-2,3-methanopyrrolidine