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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2',3'-didehydro-2',3'-dideoxy-2'-phenylselenomethyl-5'-O-trityl-5-methyluridine 154878-68-9 C36H32N2O4Se
    2',3'-didehydro-2',3'-dideoxy-2'-phenylselenomethyl-5'-O-trityl-5-methyluridine
    —— 2-[(ethyl-dimethyl-ammonio)-methyl]-5-triethylammoniomethyl-tetrahydro-furan; diiodide 106459-39-6 C16H36N2O*2I
    2-[(ethyl-dimethyl-ammonio)-methyl]-5-triethylammoniomethyl-tetrahydro-furan; diiodide
    —— 2-[[9H-fluoren-9-ylmethoxycarbonyl(methyl)amino]-[3-[(2-methylpropan-2-yl)oxycarbonylamino]propyl]amino]acetic acid 1301147-59-0 C26H33N3O6
    2-[[9H-fluoren-9-ylmethoxycarbonyl(methyl)amino]-[3-[(2-methylpropan-2-yl)oxycarbonylamino]propyl]amino]acetic acid
    —— 2-<3'-Chlor-stilbenyl-(4)>-benzo<b>furan 25078-51-7 C22H15ClO
    2-<3'-Chlor-stilbenyl-(4)>-benzo<b>furan
    —— 2-Brom-1-succinimido-1-ethoxy-1-cyclohexyl-ethan 23131-34-2 C14H22BrNO3
    2-Brom-1-succinimido-1-ethoxy-1-cyclohexyl-ethan
    —— 2-ferrocenethynylaniline 364632-31-5 C18H15FeN
    2-ferrocenethynylaniline
    —— 2-([1,1'-biphenyl]-2-ylmethyl)-8-methoxy-1,2,3,4-tetrahydropyrazino[1,2-a]indole 1053265-17-0 C25H24N2O
    2-([1,1'-biphenyl]-2-ylmethyl)-8-methoxy-1,2,3,4-tetrahydropyrazino[1,2-a]indole
    —— (2'S,3'R,4'S,5'R,6'R)-3',4',5'-tris(benzyloxy)-6'-(benzyloxymethyl)-6-chloro-5-(4-ethylbenzyl)-3',4',5',6'-tetrahydro-2H-spiro[benzofuran-3,2'-pyran]-2-one 1036955-38-0 C50H47ClO7
    (2'S,3'R,4'S,5'R,6'R)-3',4',5'-tris(benzyloxy)-6'-(benzyloxymethyl)-6-chloro-5-(4-ethylbenzyl)-3',4',5',6'-tetrahydro-2H-spiro[benzofuran-3,2'-pyran]-2-one
    —— 2-(2-Ethyl-benzofuran-3-ylmethyl)-4,5-dihydro-1H-imidazole; compound with oxalic acid 37739-11-0 C2H2O4*C14H16N2O
    2-(2-Ethyl-benzofuran-3-ylmethyl)-4,5-dihydro-1H-imidazole; compound with oxalic acid
    —— 2-bromo-6-(5-isopropyl-[1,3,4]thiadiazol-2-yl)-4-nitro-aniline 37538-96-8 C11H11BrN4O2S
    2-bromo-6-(5-isopropyl-[1,3,4]thiadiazol-2-yl)-4-nitro-aniline
    —— 2,8-Bis-(3,4-dimethoxystyryl)-dibenzothiophen 22862-17-5 C32H28O4S
    2,8-Bis-(3,4-dimethoxystyryl)-dibenzothiophen
    —— 2-Benzyl-2,3-dicyan-3-phenyl-buttersaeure-methylester 95424-81-0 C20H18N2O2
    2-Benzyl-2,3-dicyan-3-phenyl-buttersaeure-methylester
    —— 2-butylidene-[1,3]dioxolane 33498-43-0 C7H12O2
    2-butylidene-[1,3]dioxolane
    —— 2-Methyl-1-phenyl-2aH-7-thia-cyclobuta[a]indene-7a-carboxylic acid methyl ester 31739-36-3 C19H16O2S
    2-Methyl-1-phenyl-2aH-7-thia-cyclobuta[a]indene-7a-carboxylic acid methyl ester
    —— 2-Dicyanomethylene-5-imino-4,4-diphenyl-pyrrolidine-3-carboxylic acid ethyl ester 37705-13-8 C22H18N4O2
    2-Dicyanomethylene-5-imino-4,4-diphenyl-pyrrolidine-3-carboxylic acid ethyl ester
    —— 2-Acetoxymethylfuran-3,4-dicarbonylchlorid 33038-01-6 C9H6Cl2O5
    2-Acetoxymethylfuran-3,4-dicarbonylchlorid
    —— (2Z)-N-(3-acetylphenyl)-2-{1-[2-chloro-4-(3-methyl-1H-pyrazol-1-yl)benzoyl]-4,4-difluoro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-ylidene}acetamide 530089-60-2 C31H25ClF2N4O3
    (2Z)-N-(3-acetylphenyl)-2-{1-[2-chloro-4-(3-methyl-1H-pyrazol-1-yl)benzoyl]-4,4-difluoro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-ylidene}acetamide
    —— 2-Amino-5-imino-4-methyl-4-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester 37705-32-1 C14H17N3O2
    2-Amino-5-imino-4-methyl-4-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester
    —— 2-benzoyl-furan-3,4-dicarboxylic acid diamide 31536-96-6 C13H10N2O4
    2-benzoyl-furan-3,4-dicarboxylic acid diamide
    —— 2,2'-dithioxo-tetrahydro-5,5'-(1-methyl-propane-1,1-diyl)-bis-pyrimidine-4,6-dione 27430-25-7 C12H14N4O4S2
    2,2'-dithioxo-tetrahydro-5,5'-(1-methyl-propane-1,1-diyl)-bis-pyrimidine-4,6-dione
    —— 2-Oxo-3-ethyliden-1,2,3,4,6,7,12,12b-octahydro-indolo(2,3-a)-chinolizin 20317-57-1 C17H18N2O
    2-Oxo-3-ethyliden-1,2,3,4,6,7,12,12b-octahydro-indolo(2,3-a)-chinolizin
    —— 2-Tridecyl-5-aethyl-5-hydroxymethyl-1,3-dioxan 22251-70-3 C20H40O3
    2-Tridecyl-5-aethyl-5-hydroxymethyl-1,3-dioxan
    —— 2-ethoxy-2-(4-ethoxy-2-methoxy-butyl)-butane-1,3-diol 22598-65-8 C13H28O5
    2-ethoxy-2-(4-ethoxy-2-methoxy-butyl)-butane-1,3-diol
    —— (2,4-Dichloro-phenoxy)-acetic acid 2,6-diiodo-4-nitro-phenyl ester 25844-98-8 C14H7Cl2I2NO5
    (2,4-Dichloro-phenoxy)-acetic acid 2,6-diiodo-4-nitro-phenyl ester
    —— 2-Chlor-2-D-butan 21964-19-2 C4H9Cl
    2-Chlor-2-D-butan
    —— 2-Anilino-4-methoxy-3.5.6-trifluor-acetophenon 42322-94-1 C15H12F3NO2
    2-Anilino-4-methoxy-3.5.6-trifluor-acetophenon
    —— 2-Chlor-1,3,3,4,4-pentafluorcyclobutyl-ethylcarbinol 51533-34-7 C7H8ClF5O
    2-Chlor-1,3,3,4,4-pentafluorcyclobutyl-ethylcarbinol
    —— (22S,25R)-16α-Hydroxy-solanidan-3-on 909880-43-9 C27H43NO2
    (22S,25R)-16α-Hydroxy-solanidan-3-on
    —— 2,8-bis-(4-phenoxy-phenyl)-pyrido[3,2-<i>g</i>]quinoline 22859-66-1 C36H24N2O2
    2,8-bis-(4-phenoxy-phenyl)-pyrido[3,2-<i>g</i>]quinoline
    —— 2-(5-chloro-8-hydroxy-quinolin-7-ylamino)-2-hydroxy-1-(4-nitro-phenyl)-ethanone 26866-75-1 C17H12ClN3O5
    2-(5-chloro-8-hydroxy-quinolin-7-ylamino)-2-hydroxy-1-(4-nitro-phenyl)-ethanone
    —— (2'E)-2'-[3-[tert-butyl(dimethyl)silyl]oxypropylidene]spiro[1,3-dioxolane-2,3'-indene]-1'-one 124696-09-9 C20H28O4Si
    (2'E)-2'-[3-[tert-butyl(dimethyl)silyl]oxypropylidene]spiro[1,3-dioxolane-2,3'-indene]-1'-one
    —— (2,2,6,6-Tetramethylpiperidino)<(trimethylsilyl)methylen>phosphan 138983-13-8 C13H28NPSi
    (2,2,6,6-Tetramethylpiperidino)<(trimethylsilyl)methylen>phosphan
    —— (2aS,4aS,5S,7aR,7bS)-2a,6,7a-Trihydroxy-2a,4a,5,6,7a,7b-hexahydro-2H-1,7-dioxa-cyclopenta[cd]indene-5-carboxylic acid methyl ester 104538-06-9 C11H14O7
    (2aS,4aS,5S,7aR,7bS)-2a,6,7a-Trihydroxy-2a,4a,5,6,7a,7b-hexahydro-2H-1,7-dioxa-cyclopenta[cd]indene-5-carboxylic acid methyl ester
    —— 2,7-diphenylhept-4-yn-3-ol 1262322-87-1 C19H20O
    2,7-diphenylhept-4-yn-3-ol
    —— 2-<(4-Chlorbenzoyl)cyclohexylamino>-6-(4-chlorbenzoyloxy)-4,4-dimethyl-2,5-cyclohexadien-1-on 78476-96-7 C28H27Cl2NO4
    2-<(4-Chlorbenzoyl)cyclohexylamino>-6-(4-chlorbenzoyloxy)-4,4-dimethyl-2,5-cyclohexadien-1-on
    —— 2,5-Dimethyl-3-<(4-methoxycarbonyl)piperazinocarbonyl>-4-(3,4-methylenedioxyphenyl)furan 104794-99-2 C20H22N2O6
    2,5-Dimethyl-3-<(4-methoxycarbonyl)piperazinocarbonyl>-4-(3,4-methylenedioxyphenyl)furan
    —— 2-isobutylsulfanyl-4-methyl-5-thiocyanato-thiazole 35534-80-6 C9H12N2S3
    2-isobutylsulfanyl-4-methyl-5-thiocyanato-thiazole
    —— 2,5,1',2',5'-pentamethyl-4-phenyl-decahydro-[1,4']bipyridinyl-4-ol 27296-15-7 C21H34N2O
    2,5,1',2',5'-pentamethyl-4-phenyl-decahydro-[1,4']bipyridinyl-4-ol
    —— 2-carbamoylmethyl-2-(p-bromophenyl)-succinimide 26477-30-5 C12H11BrN2O3
    2-carbamoylmethyl-2-(p-bromophenyl)-succinimide
    —— 2-(m-Nitro-styryl)-4,6-dimethoxy-triazin 18386-95-3 C13H12N4O4
    2-(m-Nitro-styryl)-4,6-dimethoxy-triazin
    —— 2-Methyl-3-propylsulfanyl-propionic acid (E)-(S)-10-methyl-6,14-dioxo-5-propylsulfanylmethyl-7,13-dioxa-tricyclo[10.2.1.0<sup>4,8</sup>]pentadeca-1(15),9-dien-3-yl ester 29237-37-4 C25H36O6S2
    2-Methyl-3-propylsulfanyl-propionic acid (E)-(S)-10-methyl-6,14-dioxo-5-propylsulfanylmethyl-7,13-dioxa-tricyclo[10.2.1.0<sup>4,8</sup>]pentadeca-1(15),9-dien-3-yl ester
    —— 2-acetyl-3-(4-ethoxy-anilino)-5-methyl-3,4-dihydro-2<i>H</i>-[1,2,3]diazaphosphole 32085-19-1 C13H18N3O2P
    2-acetyl-3-(4-ethoxy-anilino)-5-methyl-3,4-dihydro-2<i>H</i>-[1,2,3]diazaphosphole
    —— 2-Brom-3,3'-dithienylmethan 31936-93-3 C9H7BrS2
    2-Brom-3,3'-dithienylmethan
    —— 2-Hydroxy-3-methyl-1,2,3,4-tetrahydro-quinolizinylium; iodide 32153-29-0 C10H14NO*I
    2-Hydroxy-3-methyl-1,2,3,4-tetrahydro-quinolizinylium; iodide
    —— (2S,3S,4S,5R,6R)-6-[2-((10R,13S,17S)-10,13-Dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethoxy]-3,4,5-trihydroxy-tetrahydro-pyran-2-carboxylic acid 24562-31-0 C27H36O10
    (2S,3S,4S,5R,6R)-6-[2-((10R,13S,17S)-10,13-Dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethoxy]-3,4,5-trihydroxy-tetrahydro-pyran-2-carboxylic acid
    —— 2-[(<i>N</i>,<i>N</i>-phthaloyl-glycyl)-amino]-hex-2-enoic acid methyl ester 30568-01-5 C17H18N2O5
    2-[(<i>N</i>,<i>N</i>-phthaloyl-glycyl)-amino]-hex-2-enoic acid methyl ester
    —— 2β-Cyan-5α-androstan-3α,17β-diol 6072-98-6 C20H31NO2
    2β-Cyan-5α-androstan-3α,17β-diol
    —— 2,3,4,5-tetrahydro-1<i>H</i>-benzo[<i>b</i>]carbazole-2-carboxylic acid ethyl ester 26071-99-8 C19H19NO2
    2,3,4,5-tetrahydro-1<i>H</i>-benzo[<i>b</i>]carbazole-2-carboxylic acid ethyl ester
    —— 2-(2,3,4,6-Tetrachlorphenoxy)-3,5-dichlor-pyridin 28216-02-6 C11H3Cl6NO
    2-(2,3,4,6-Tetrachlorphenoxy)-3,5-dichlor-pyridin
    —— 2-(2,5-Dichlorphenoxy)-3,5-dichlorpyridin 28215-99-8 C11H5Cl4NO
    2-(2,5-Dichlorphenoxy)-3,5-dichlorpyridin