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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-oxo-but-3-ene-1,1,4t-tricarboxylic acid triethyl ester 54397-57-8 C13H18O7
    2-oxo-but-3-ene-1,1,4t-tricarboxylic acid triethyl ester
    —— 2-(2-Dimethoxymethyl-cyclopentyl)-ethanol 110935-51-8 C10H20O3
    2-(2-Dimethoxymethyl-cyclopentyl)-ethanol
    —— (2-benzo[1,3]dioxol-5-yl-ethyl)-benzyliden-amine 107044-63-3 C16H15NO2
    (2-benzo[1,3]dioxol-5-yl-ethyl)-benzyliden-amine
    —— 2-(3-hydroxypyrrolidin-1-yl)-7-methyl-5-oxo-N-(2-pyrrolidin-1-ylethyl)benzimidazolo[1,2-a][1,8]naphthyridine-6-carboxamide 1138544-59-8 C26H30N6O3
    2-(3-hydroxypyrrolidin-1-yl)-7-methyl-5-oxo-N-(2-pyrrolidin-1-ylethyl)benzimidazolo[1,2-a][1,8]naphthyridine-6-carboxamide
    —— 2-Methoxy-4-(4'-methylbiphenyl-2-carboxamido)-N-methyl-N-[2-(3-aminoprop-1-yloxy)phenyl]benzamide 183493-84-7 C32H33N3O4
    2-Methoxy-4-(4'-methylbiphenyl-2-carboxamido)-N-methyl-N-[2-(3-aminoprop-1-yloxy)phenyl]benzamide
    —— (2S,5R)-1-benzoyl-5-(3-bromobenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one 914644-74-9 C23H27BrN2O2
    (2S,5R)-1-benzoyl-5-(3-bromobenzyl)-2-tert-butyl-3-methyltetrahydropyrimidin-4(1H)-one
    —— (2R,4S,7S)-7-cyclohexyl-N-((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)-23-methoxy-12,12-dimethyl-6,9-dioxo-20-(pentyloxy)-3,4,6,7,8,9,12,13,14,15-decahydro-2H,11H-16,18-(ethanediylidene)-2,5-methanopyrido[4,3-k][1,10,3,6]dioxadiazacyclononadecine-4-carboxamide 1021436-85-0 C45H63N5O10S
    (2R,4S,7S)-7-cyclohexyl-N-((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)-23-methoxy-12,12-dimethyl-6,9-dioxo-20-(pentyloxy)-3,4,6,7,8,9,12,13,14,15-decahydro-2H,11H-16,18-(ethanediylidene)-2,5-methanopyrido[4,3-k][1,10,3,6]dioxadiazacyclononadecine-4-carboxamide
    —— (+/-)-2-Amino-4-<N-(4-aethoxy-phenyl)-sulfamoyl>-buttersaeure 91908-98-4 C12H18N2O5S
    (+/-)-2-Amino-4-<N-(4-aethoxy-phenyl)-sulfamoyl>-buttersaeure
    —— 2-Bromo-3-butoxymethyl-2,6,6-trimethyl-bicyclo[3.1.1]heptane 7124-00-7 C15H27BrO
    2-Bromo-3-butoxymethyl-2,6,6-trimethyl-bicyclo[3.1.1]heptane
    —— <2-Aethyl-tetramethyl-disilanyl>-methylquecksilberchlorid 13351-58-1 C7H19ClHgSi2
    <2-Aethyl-tetramethyl-disilanyl>-methylquecksilberchlorid
    —— 2-Hydroxy-5-<2-cyan-2-(2,4-dichlor-phenylcarbamoyl)-vinyl>-benzoesaeuremethylester 20387-09-1 C18H12Cl2N2O4
    2-Hydroxy-5-<2-cyan-2-(2,4-dichlor-phenylcarbamoyl)-vinyl>-benzoesaeuremethylester
    —— <2-Methylimino-3-(1-methoxycarbonyl-ethylidenamino)-4-oxo-thiazolidinyl-(5)>-essigsaeure-methylester 20923-10-8 C11H15N3O5S
    <2-Methylimino-3-(1-methoxycarbonyl-ethylidenamino)-4-oxo-thiazolidinyl-(5)>-essigsaeure-methylester
    —— 2-bromo-4-fluoro-6-(1-oxo-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-2(1H)-yl)benzyl acetate 1346673-13-9 C20H20BrFN2O3
    2-bromo-4-fluoro-6-(1-oxo-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-2(1H)-yl)benzyl acetate
    —— 2,4,6-trimethyl-8,9-dihydro-5H,7H-pyrido[3,2-e]pyrazino[1,2-b]thiazine-5-one-10,10-dioxide 944557-18-0 C13H15N3O3S
    2,4,6-trimethyl-8,9-dihydro-5H,7H-pyrido[3,2-e]pyrazino[1,2-b]thiazine-5-one-10,10-dioxide
    —— (2R,5R)-2-(t-butyl)-5-(3-trimethylsilyloxy-2-cyclopenten-1-yl)-5-phenyl-1,3-dioxolan-4-one 236406-08-9 C21H30O4Si
    (2R,5R)-2-(t-butyl)-5-(3-trimethylsilyloxy-2-cyclopenten-1-yl)-5-phenyl-1,3-dioxolan-4-one
    —— 2-isopropylamino-3-phenyl-1-propanol 1178313-74-0 C12H19NO
    2-isopropylamino-3-phenyl-1-propanol
    —— 2-(N-phthalimidoethyl)-1,2,3-benzotriazole 74731-73-0 C19H26N2O4
    2-(N-phthalimidoethyl)-1,2,3-benzotriazole
    —— (2S,4S)-2-[3-[4-[2,3-Di(4-nitrobenzyloxycarbonyl)guanidino]-3-hydroxybutanoylamino]azetidin-1-ylcarbonyl]-4-(4-methoxybenzyl)thio-1-(4-nitrobenzyloxycarbonyl)pyrrolidine 193268-95-0 C45H47N9O16S
    (2S,4S)-2-[3-[4-[2,3-Di(4-nitrobenzyloxycarbonyl)guanidino]-3-hydroxybutanoylamino]azetidin-1-ylcarbonyl]-4-(4-methoxybenzyl)thio-1-(4-nitrobenzyloxycarbonyl)pyrrolidine
    —— 2-acetylamino-6-(6,7-dimethoxy-1-oxo-1<i>H</i>-isochromen-3-yl)-benzoic acid 65692-34-4 C20H17NO7
    2-acetylamino-6-(6,7-dimethoxy-1-oxo-1<i>H</i>-isochromen-3-yl)-benzoic acid
    —— 2-Hydroxy-1,3-dimethylcyclopentancarbonsaeure-methylester 30931-29-4 C9H16O3
    2-Hydroxy-1,3-dimethylcyclopentancarbonsaeure-methylester
    —— 2-[(2-chloroacetyl)amino]-5-ethylsulfanyl-1H-pyrrole-3,4-dicarboxamide 128816-12-6 C10H13ClN4O3S
    2-[(2-chloroacetyl)amino]-5-ethylsulfanyl-1H-pyrrole-3,4-dicarboxamide
    —— 2-[4-(2,4-Dichloro-phenoxy)-phenoxy]-propionic acid 1-methoxycarbonyl-ethyl ester 66497-51-6 C19H18Cl2O6
    2-[4-(2,4-Dichloro-phenoxy)-phenoxy]-propionic acid 1-methoxycarbonyl-ethyl ester
    —— [2-(Diphenyl-phosphinothioyl)-ethyl]-phenyl-phosphane 54772-63-3 C20H20P2S
    [2-(Diphenyl-phosphinothioyl)-ethyl]-phenyl-phosphane
    —— 2,3-Dichlor-2,3-dimethylpentan 84189-25-3 C7H14Cl2
    2,3-Dichlor-2,3-dimethylpentan
    —— 2-(2,4-Dichloro-phenylamino)-propionic acid methyl ester 83442-69-7 C10H11Cl2NO2
    2-(2,4-Dichloro-phenylamino)-propionic acid methyl ester
    —— (2R,3R,4S,5R)-2-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzyloxy)-3-oxopropoxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 84010-49-1 C51H43NO12
    (2R,3R,4S,5R)-2-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzyloxy)-3-oxopropoxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate
    —— 2'-hydroxy-4-phenyl-5'-methoxychalchone 1158952-83-0 C22H18O3
    2'-hydroxy-4-phenyl-5'-methoxychalchone
    —— (2S,3S)-2-hydroxy-2,3-bis(4-hydroxy-3-methoxybenzyl)butane-1,4-diyl dibutyrate 1430801-33-4 C28H38O9
    (2S,3S)-2-hydroxy-2,3-bis(4-hydroxy-3-methoxybenzyl)butane-1,4-diyl dibutyrate
    —— 2-bromo-1,2,3-triphenyl-propane-1,3-dione 812683-35-5 C21H15BrO2
    2-bromo-1,2,3-triphenyl-propane-1,3-dione
    —— 2-hydroxymethyl-2-t-butyl-2,3-dihydroquinazolin-4(1H)-one 1239347-27-3 C13H18N2O2
    2-hydroxymethyl-2-t-butyl-2,3-dihydroquinazolin-4(1H)-one
    —— 2-[N'-tert-butoxycarbonyl-N'-((R)-2,2-dimethyl[1,3]dioxolan-4-ylmethyl)hydrazino]-3-(2'-chloro-4',5'-difluorobiphenyl-4-yloxymethyl)benzoic acid methyl ester 1299467-37-0 C32H35ClF2N2O7
    2-[N'-tert-butoxycarbonyl-N'-((R)-2,2-dimethyl[1,3]dioxolan-4-ylmethyl)hydrazino]-3-(2'-chloro-4',5'-difluorobiphenyl-4-yloxymethyl)benzoic acid methyl ester
    —— (2S,1'R)-2-<(1'-N-tert-butoxycarbonylamino)ethyl>-2,3-dihydropyran-4-one 120205-99-4 C12H19NO4
    (2S,1'R)-2-<(1'-N-tert-butoxycarbonylamino)ethyl>-2,3-dihydropyran-4-one
    —— 2,3,4-tri-O-acetyl-1,5-benzyloxycarbonylimino6-1,5-dideoxy-D-galactitol 153373-57-0 C20H25NO9
    2,3,4-tri-O-acetyl-1,5-benzyloxycarbonylimino6-1,5-dideoxy-D-galactitol
    —— 2-[((E)-Hexadec-13-en-11-ynyl)oxy]-tetrahydro-pyran 78617-57-9 C21H36O2
    2-[((E)-Hexadec-13-en-11-ynyl)oxy]-tetrahydro-pyran
    —— 2,2-Dibutyl-4,8,12-trithia-2-germatricyclo[7.3.0.03,7]dodeca-1(9),3(7),5,10-tetraene 291312-89-5 C16H22GeS3
    2,2-Dibutyl-4,8,12-trithia-2-germatricyclo[7.3.0.03,7]dodeca-1(9),3(7),5,10-tetraene
    —— 2-(4-chlorophenyl)-3-imino-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazine-4-carbonitrile 596106-84-2 C14H11ClN4
    2-(4-chlorophenyl)-3-imino-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazine-4-carbonitrile
    —— 2-(p-Nitrobenzyl)-3-(trichloracetamido)-propionsaeure 30007-56-8 C12H11Cl3N2O5
    2-(p-Nitrobenzyl)-3-(trichloracetamido)-propionsaeure
    —— 2-methyl-5-hydroxy-5-<(tetrahydropyranyloxy)methyl>tetradecanoic acid 76917-19-6 C21H40O5
    2-methyl-5-hydroxy-5-<(tetrahydropyranyloxy)methyl>tetradecanoic acid
    —— 2-(2,3,4-trimethoxyphenyl)-N-[5-(2,6-dioxo-1,3-dipropyl-2,3,6,9-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol-3-yl]acetamide 1204809-84-6 C26H33N7O6
    2-(2,3,4-trimethoxyphenyl)-N-[5-(2,6-dioxo-1,3-dipropyl-2,3,6,9-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol-3-yl]acetamide
    —— 2-<(E)-3-benzyloxy-6,6-dimethoxy-2-heptenyl>-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 136357-67-0 C22H35BO5
    2-<(E)-3-benzyloxy-6,6-dimethoxy-2-heptenyl>-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— 2,2'-dithiodibenzoic acid mono-(tetraethylammonium) salt 142051-75-0 C8H20N*C14H9O4S2
    2,2'-dithiodibenzoic acid mono-(tetraethylammonium) salt
    —— {2-[(4-Chloro-phenyl)-ethoxy-methyl]-benzyl}-methyl-amine 30235-92-8 C17H20ClNO
    {2-[(4-Chloro-phenyl)-ethoxy-methyl]-benzyl}-methyl-amine
    —— 2-(2,6-dimethylmorpholin-4-yl)-6-methylpyrimidine-4-carboxylic acid 873450-20-5 C12H17N3O3
    2-(2,6-dimethylmorpholin-4-yl)-6-methylpyrimidine-4-carboxylic acid
    —— (2R/4R)-4-[4-Amino-5-(4-hydroxy-phenyl)-pyrrolo[2,3-d]pyrimidin-7-yl]-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-ethyl ester 197525-75-0 C24H29N5O5
    (2R/4R)-4-[4-Amino-5-(4-hydroxy-phenyl)-pyrrolo[2,3-d]pyrimidin-7-yl]-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-ethyl ester
    —— 2-(2-ethoxycarbonyl-1-methyl-cyclohexyl)-2-cyano-succinic acid diethyl ester 102659-06-3 C19H29NO6
    2-(2-ethoxycarbonyl-1-methyl-cyclohexyl)-2-cyano-succinic acid diethyl ester
    —— 2-(4-bromo-phenyl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester 1343456-83-6 C20H22BrNO2
    2-(4-bromo-phenyl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester
    —— 2-methyl-2,4,6-triphenyl-3-(1-phenyl-ethyl)-3,4-dihydro-2<i>H</i>-pyran 34959-76-7 C32H30O
    2-methyl-2,4,6-triphenyl-3-(1-phenyl-ethyl)-3,4-dihydro-2<i>H</i>-pyran
    —— (+)-2-deoxypicrasin B 123834-86-6 C21H28O5
    (+)-2-deoxypicrasin B
    —— 2-acetamido-4,5,6-tri-O-benzyl-2,3-dideoxy-3-[(4-methoxyphenyl)amino]-D-mannono-1,3-lactam 259792-24-0 C36H38N2O6
    2-acetamido-4,5,6-tri-O-benzyl-2,3-dideoxy-3-[(4-methoxyphenyl)amino]-D-mannono-1,3-lactam
    —— 2-(2-chloro-6-fluorophenyl)-5-(2-ethyl-5-trifluoromethyl-2H-pyrazol-3-yl)-1H-indole 1279103-84-2 C20H14ClF4N3
    2-(2-chloro-6-fluorophenyl)-5-(2-ethyl-5-trifluoromethyl-2H-pyrazol-3-yl)-1H-indole