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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Nitro-3,4,5,6-tetramethylanilin 18801-64-4 C10H14N2O2
    2-Nitro-3,4,5,6-tetramethylanilin
    —— 2-cinnamamido-4-(octylamino)-4-oxobutanoic acid 1198400-83-7 C21H30N2O4
    2-cinnamamido-4-(octylamino)-4-oxobutanoic acid
    —— 2-[5-fluoro-1-(pyrimidin-5-ylmethyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-4-iodo-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one 1417654-50-2 C19H14FIN8O
    2-[5-fluoro-1-(pyrimidin-5-ylmethyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-4-iodo-5,5-dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one
    —— 2a,7,7a,8a-Tetrahydro-4H-cyclobuta[a]azulen-8-one 87306-26-1 C12H12O
    2a,7,7a,8a-Tetrahydro-4H-cyclobuta[a]azulen-8-one
    —— 2-tert-butyl-1,4,5-triphenyl-1,3,5-triazapenta-1,3-diene 1208127-66-5 C24H25N3
    2-tert-butyl-1,4,5-triphenyl-1,3,5-triazapenta-1,3-diene
    —— (2R,3S)-3-(4-chloro-2-methoxyphenoxy)-3-phenylpropane-1,2-diol 869088-53-9 C16H17ClO4
    (2R,3S)-3-(4-chloro-2-methoxyphenoxy)-3-phenylpropane-1,2-diol
    —— (2R)-3-(((2-((8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxamido)ethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dioleate 114882-61-0 C61H104NO12P
    (2R)-3-(((2-((8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxamido)ethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dioleate
    —— 2,4,4-Trichlor-3-hydroxy-N-(4-methylphenyl)-2-butenamid 87694-17-5 C11H10Cl3NO2
    2,4,4-Trichlor-3-hydroxy-N-(4-methylphenyl)-2-butenamid
    —— 2-(4-(trifluoromethyl)phenyl)-7-(4-methoxyphenyl)-5-methylthiazolo[5,4-d]pyrimidine 1385059-56-2 C20H14F3N3OS
    2-(4-(trifluoromethyl)phenyl)-7-(4-methoxyphenyl)-5-methylthiazolo[5,4-d]pyrimidine
    —— (2R,1'S,2'S)-2-(2'-benzyloxymethyl-3',3'-difluoro)cyclopropyl-2-azidoethyl tert-butyldimethylsilyl ether 174003-96-4 C19H29F2N3O2Si
    (2R,1'S,2'S)-2-(2'-benzyloxymethyl-3',3'-difluoro)cyclopropyl-2-azidoethyl tert-butyldimethylsilyl ether
    —— 2-Amino-5-chlor-N-(o-chlor-β-hydroxy-phenaethyl)-benzamid 18193-80-1 C15H14Cl2N2O2
    2-Amino-5-chlor-N-(o-chlor-β-hydroxy-phenaethyl)-benzamid
    —— 2-ethyl-5,5-bis-(4-fluoro-phenyl)-3-[3-(4-phenyl-piperidin-1-yl)-propyl]-3,5-dihydro-imidazol-4-one; compound with trifluoro-acetic acid 721953-72-6 C2HF3O2*C31H33F2N3O
    2-ethyl-5,5-bis-(4-fluoro-phenyl)-3-[3-(4-phenyl-piperidin-1-yl)-propyl]-3,5-dihydro-imidazol-4-one; compound with trifluoro-acetic acid
    —— 2,2,3,3-Tetrachloro-cyclopropanecarbaldehyde 69188-20-1 C4H2Cl4O
    2,2,3,3-Tetrachloro-cyclopropanecarbaldehyde
    —— 2-Piperidino-2,3-dihydro-benzo<b>thiophen 41216-62-0 C13H17NS
    2-Piperidino-2,3-dihydro-benzo<b>thiophen
    —— (2-Benzylsulfanyl-1-cyano-ethyl)-carbamic acid benzyl ester 33045-19-1 C18H18N2O2S
    (2-Benzylsulfanyl-1-cyano-ethyl)-carbamic acid benzyl ester
    —— 2-amino-5-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)pyrrole-3-carboxamide 1210038-59-7 C19H25N3O
    2-amino-5-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)pyrrole-3-carboxamide
    —— 2'-methyl-6'-nitro-3',4'-dihydro-2'H-spiro[cyclopropane-1,1'-isoquinoline] 1092794-30-3 C12H14N2O2
    2'-methyl-6'-nitro-3',4'-dihydro-2'H-spiro[cyclopropane-1,1'-isoquinoline]
    —— 2-morpholin-4-yl-7-<i>p</i>-tolylsulfanyl-phenothiazin-3-one 68019-40-9 C23H20N2O2S2
    2-morpholin-4-yl-7-<i>p</i>-tolylsulfanyl-phenothiazin-3-one
    —— 2,2,4,6-tetrachloro-5-isopropyl-2λ<sup>5</sup>-[1,3,2]diazaphosphinine 7713-05-5 C6H7Cl4N2P
    2,2,4,6-tetrachloro-5-isopropyl-2λ<sup>5</sup>-[1,3,2]diazaphosphinine
    —— 2-(2,3,5,6-tetrahydro-imidazo[1,2-<i>a</i>]imidazol-1-yl)-ethanol 108950-60-3 C7H13N3O
    2-(2,3,5,6-tetrahydro-imidazo[1,2-<i>a</i>]imidazol-1-yl)-ethanol
    —— 2-(phenylamino)-N-[2-(5-morpholino-1,4,5,6-tetrahydropyrimidin-2-yl)thieno[2,3-c]isoquinolin-1-yl]acetamide 1294456-40-8 C27H32N6O2S
    2-(phenylamino)-N-[2-(5-morpholino-1,4,5,6-tetrahydropyrimidin-2-yl)thieno[2,3-c]isoquinolin-1-yl]acetamide
    —— (2R,3R,4S,5S,6R,7S)-7-(benzyloxy-diisopropyl-silanyloxy)-1-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-acetoxy-nonan-3-ol 449174-04-3 C35H56O7Si
    (2R,3R,4S,5S,6R,7S)-7-(benzyloxy-diisopropyl-silanyloxy)-1-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-acetoxy-nonan-3-ol
    —— 2-fluoro-3,5,6,2',4',5'-hexamethyl-biphenyl 789-08-2 C18H21F
    2-fluoro-3,5,6,2',4',5'-hexamethyl-biphenyl
    —— 2-(pyridin-3-yl)cyclopropanecarboxylic acid 1017553-74-0 C9H9NO2
    2-(pyridin-3-yl)cyclopropanecarboxylic acid
    —— 2-(biphenyl-4-ylmethoxy)-N-hydroxy-N'-[(1-hydroxycyclopentyl)methyl]-2-methylmalonamide 1219004-30-4 C23H28N2O5
    2-(biphenyl-4-ylmethoxy)-N-hydroxy-N'-[(1-hydroxycyclopentyl)methyl]-2-methylmalonamide
    —— 2-(2-methyl-3-(2-(morpholinosulfonyl)benzyl)-5,6,7,8-tetrahydrocyclohepta[b]pyrrol-1 (4H)-yl)acetic acid 1219449-78-1 C23H30N2O5S
    2-(2-methyl-3-(2-(morpholinosulfonyl)benzyl)-5,6,7,8-tetrahydrocyclohepta[b]pyrrol-1 (4H)-yl)acetic acid
    —— (+/-)-2-phenethyl-3-(propan-2-ylidene)-1-tosylpyrrolidine 1221256-35-4 C22H27NO2S
    (+/-)-2-phenethyl-3-(propan-2-ylidene)-1-tosylpyrrolidine
    —— 2-Chloro-N-[(methylsulfonyl)methyl]-4-pyridinecarboxamide 132222-43-6 C8H9ClN2O3S
    2-Chloro-N-[(methylsulfonyl)methyl]-4-pyridinecarboxamide
    —— 2-(1-Pentyl-hexahydro-cyclopenta[c]pyrrol-2-yl)-butan-1-ol 134253-32-0 C16H31NO
    2-(1-Pentyl-hexahydro-cyclopenta[c]pyrrol-2-yl)-butan-1-ol
    —— 2-[1-carboxy-2-(3,5-dimethyl-pyrazol-1-yl)-ethylamino]-6-chloro-quinoline-3-carboxylic acid 1220952-76-0 C18H17ClN4O4
    2-[1-carboxy-2-(3,5-dimethyl-pyrazol-1-yl)-ethylamino]-6-chloro-quinoline-3-carboxylic acid
    —— 2,2,3,3,4,4,4-Heptafluorobutyl chloroacetate 137414-70-1 C6H4ClF7O2
    2,2,3,3,4,4,4-Heptafluorobutyl chloroacetate
    —— 2-Dimethylaminomethyl-5-methyl-N'-phenyl-1H-imidazole-4-carboxamide 138711-51-0 C14H18N4O
    2-Dimethylaminomethyl-5-methyl-N'-phenyl-1H-imidazole-4-carboxamide
    —— 2-(2-Chloro-3-ethyl-oxiranyl)-4,4-dimethyl-4,5-dihydro-oxazole 134254-62-9 C9H14ClNO2
    2-(2-Chloro-3-ethyl-oxiranyl)-4,4-dimethyl-4,5-dihydro-oxazole
    —— (2S,3S)-3-Ethyl-2,3-dimethyl-4-oxo-2-phenyl-azetidine-1-carboxylic acid ((S)-1-phenyl-ethyl)-amide 141269-78-5 C22H26N2O2
    (2S,3S)-3-Ethyl-2,3-dimethyl-4-oxo-2-phenyl-azetidine-1-carboxylic acid ((S)-1-phenyl-ethyl)-amide
    —— 2-morpholinomethyl-4,5-dihydro-6-(4-methoxy-3-methylphenyl)-3(2H)-pyridazinone 1314804-96-0 C17H23N3O3
    2-morpholinomethyl-4,5-dihydro-6-(4-methoxy-3-methylphenyl)-3(2H)-pyridazinone
    —— 2-(4-Amino-benzenesulfonylamino)-N-(2-hydroxy-ethyl)-2-oxo-acetamide 81717-50-2 C10H13N3O5S
    2-(4-Amino-benzenesulfonylamino)-N-(2-hydroxy-ethyl)-2-oxo-acetamide
    —— 2-(N-Benzoyl-N-methyl)-5,6,7,8-tetrachlor-2-phenyl-2,3-dihydro-1,4-benzodioxin-3-on 65977-63-1 C22H13Cl4NO4
    2-(N-Benzoyl-N-methyl)-5,6,7,8-tetrachlor-2-phenyl-2,3-dihydro-1,4-benzodioxin-3-on
    —— 2,7-bis-(2-acetylphenyl)-9-(2-ethylhexyl)-carbazole 908860-26-4 C36H37NO2
    2,7-bis-(2-acetylphenyl)-9-(2-ethylhexyl)-carbazole
    —— [2-(3-tritylsulfanyl-pyridin-4-ylmethylsulfanyl)-ethyl]-carbamic acid tert-butyl ester 258497-36-8 C32H34N2O2S2
    [2-(3-tritylsulfanyl-pyridin-4-ylmethylsulfanyl)-ethyl]-carbamic acid tert-butyl ester
    —— 2-(2-Methoxy-ethylsulfonyl)benzthiazol 24138-78-1 C10H11NO3S2
    2-(2-Methoxy-ethylsulfonyl)benzthiazol
    —— 2-methyl-11-(3-penten-2-yl)-11-amino-undeca-4,8-dienal-oxime 74926-49-1 C17H30N2O
    2-methyl-11-(3-penten-2-yl)-11-amino-undeca-4,8-dienal-oxime
    —— 2-methyl-5,6-trimethylene-2-norbornyl cation 95531-34-3 C11H17
    2-methyl-5,6-trimethylene-2-norbornyl cation
    —— 2-<4-(2-Benzoxazolyl)-1-naphthyl>-1-benzylbenzimidazol-5-carbonsaeure-methylester 91452-75-4 C33H23N3O3
    2-<4-(2-Benzoxazolyl)-1-naphthyl>-1-benzylbenzimidazol-5-carbonsaeure-methylester
    —— 2,6-diethyl-tetrahydro-thiopyran-4-one 92977-86-1 C9H16OS
    2,6-diethyl-tetrahydro-thiopyran-4-one
    —— (2E,4E)-2,3,4,5-Tetrachloro-hexa-2,4-dienedioic acid dibenzyl ester 42271-86-3 C20H14Cl4O4
    (2E,4E)-2,3,4,5-Tetrachloro-hexa-2,4-dienedioic acid dibenzyl ester
    —— 2-methyl-N-[3-[2-(2-methyl-1,3-thiazol-5-yl)propan-2-yl]-1,2-oxazol-5-yl]-2-(3,3,3-trifluoropropylamino)propanamide 1259020-45-5 C17H23F3N4O2S
    2-methyl-N-[3-[2-(2-methyl-1,3-thiazol-5-yl)propan-2-yl]-1,2-oxazol-5-yl]-2-(3,3,3-trifluoropropylamino)propanamide
    —— 2-(p-Chlorbenzoyloximino)-1-phenyl-propandion-(1,2) 1976-63-2 C16H12ClNO3
    2-(p-Chlorbenzoyloximino)-1-phenyl-propandion-(1,2)
    —— (2S)-neopentyl 2-((((2R,3R,4R,5R)-5-(2-amino-6-methoxy-9H-purin-9-yl)-3,4-dihydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(naphthalene-1-yloxy)phosphorylamino)-4-methylpentanoate 1234491-26-9 C33H45N6O9P
    (2S)-neopentyl 2-((((2R,3R,4R,5R)-5-(2-amino-6-methoxy-9H-purin-9-yl)-3,4-dihydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(naphthalene-1-yloxy)phosphorylamino)-4-methylpentanoate
    —— (2R, 3S, 22S, 23Z)-6,6-ethylenedioxy-22-hydroxy-2,3-isopropylidenedioxy-5α-cholest-23-ene 86413-54-9 C32H52O5
    (2R, 3S, 22S, 23Z)-6,6-ethylenedioxy-22-hydroxy-2,3-isopropylidenedioxy-5α-cholest-23-ene
    —— 2-Hydroxy-1,2-diphenylpentan-1-on-oxim 60854-93-5 C17H19NO2
    2-Hydroxy-1,2-diphenylpentan-1-on-oxim