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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Chlor-5,5-diphenyl-1,3-dioxaphosphorinan-2 31951-86-7 C15H14ClO3P
    2-Chlor-5,5-diphenyl-1,3-dioxaphosphorinan-2
    —— 2-acetylamino-4,5-dichloro-2-cyano-valeric acid ethyl ester 110441-01-5 C10H14Cl2N2O3
    2-acetylamino-4,5-dichloro-2-cyano-valeric acid ethyl ester
    —— 2-hydroxy-5-thia-1-aza-bicyclo[4.2.0]octan-8-one 54278-45-4 C6H9NO2S
    2-hydroxy-5-thia-1-aza-bicyclo[4.2.0]octan-8-one
    —— 2α-Allyl-17β-hydroxy-17α-methyl-5α-androstanon-(3) 1242-10-0 C23H36O2
    2α-Allyl-17β-hydroxy-17α-methyl-5α-androstanon-(3)
    —— 2-Isopropylimino-5-phenyloxazolidon-(4) 91566-86-8 C12H14N2O2
    2-Isopropylimino-5-phenyloxazolidon-(4)
    —— 2,4-dioxo-5-(3-oxo-4-phenyl-3,4-dihydro-quinoxalin-2-yl)-pentanoic acid ethyl ester 102311-83-1 C21H18N2O5
    2,4-dioxo-5-(3-oxo-4-phenyl-3,4-dihydro-quinoxalin-2-yl)-pentanoic acid ethyl ester
    —— 2-<3'-Methoxy-4'-benzyloxy-phenethyl>-6-benzyloxy-7-methoxy-isochinolinium-jodid 105144-45-4 C33H32NO4*I
    2-<3'-Methoxy-4'-benzyloxy-phenethyl>-6-benzyloxy-7-methoxy-isochinolinium-jodid
    —— 2-Cyan-prednison-21-acetat 1255-79-4 C24H27NO6
    2-Cyan-prednison-21-acetat
    —— 2,2'-Sulfinyldiphenylessigsaeure 93012-77-2 C16H14O5S
    2,2'-Sulfinyldiphenylessigsaeure
    —— 2'.3'-Dichlor-7-methoxy-flavonol 92791-86-1 C16H10Cl2O4
    2'.3'-Dichlor-7-methoxy-flavonol
    —— 2ξ-(4-nitro-phenyl)-(4a<i>c</i>,8a<i>c</i>)-hexahydro-1<i>r</i>,4<i>c</i>-ethano-benzo[<i>d</i>][1,3]oxazine 98249-61-7 C16H20N2O3
    2ξ-(4-nitro-phenyl)-(4a<i>c</i>,8a<i>c</i>)-hexahydro-1<i>r</i>,4<i>c</i>-ethano-benzo[<i>d</i>][1,3]oxazine
    —— 2,2-Dimethyl-5c-pentadecyl-1,3-dioxolan-4r-carbonsaeure 96168-16-0 C21H40O4
    2,2-Dimethyl-5c-pentadecyl-1,3-dioxolan-4r-carbonsaeure
    —— 2-(4-bromo-benzylamino)-5-salicylidene-thiazol-4-one 107155-17-9 C17H13BrN2O2S
    2-(4-bromo-benzylamino)-5-salicylidene-thiazol-4-one
    —— 2-Hydroxy-5'-<3-methyl-butyl>-4,2',4'-trimethoxy-benzoin 101632-15-9 C22H28O6
    2-Hydroxy-5'-<3-methyl-butyl>-4,2',4'-trimethoxy-benzoin
    —— 2-Chlor-carbanilsaeure-<2-nitro-butylester> 91336-10-6 C11H13ClN2O4
    2-Chlor-carbanilsaeure-<2-nitro-butylester>
    —— 2-(2,5-Dichlor-4-hydroxy-phenylmercapto)-3-chlor-5-nitro-pyridin 91064-88-9 C11H5Cl3N2O3S
    2-(2,5-Dichlor-4-hydroxy-phenylmercapto)-3-chlor-5-nitro-pyridin
    —— 2-<2-Chlor-phenyl>-1-<p-toluolsulfonyl>-1,2,3,4-tetrahydro-5H-1,4-benzodiazepin-5-on 100978-80-1 C22H19ClN2O3S
    2-<2-Chlor-phenyl>-1-<p-toluolsulfonyl>-1,2,3,4-tetrahydro-5H-1,4-benzodiazepin-5-on
    —— 2,2,5,6-Tetramethyl-6-aethyl-3,4-oxido-tetrahydro-pyranol-(5) 92058-04-3 C11H20O3
    2,2,5,6-Tetramethyl-6-aethyl-3,4-oxido-tetrahydro-pyranol-(5)
    —— 2,4-Dichloro-6-{[(E)-4-(2-diethylamino-ethoxy)-phenylimino]-methyl}-phenol 18262-52-7 C19H22Cl2N2O2
    2,4-Dichloro-6-{[(E)-4-(2-diethylamino-ethoxy)-phenylimino]-methyl}-phenol
    —— 2,4-Dichloro-6-{[(Z)-3-(1-hydroxy-ethyl)-phenylimino]-methyl}-phenol 20114-86-7 C15H13Cl2NO2
    2,4-Dichloro-6-{[(Z)-3-(1-hydroxy-ethyl)-phenylimino]-methyl}-phenol
    —— 2.4.6-Trijod-5-acetamino-isophthalsaeure-mono-pentylamid 3035-93-6 C15H17I3N2O4
    2.4.6-Trijod-5-acetamino-isophthalsaeure-mono-pentylamid
    —— 2,3-Dichlor-5,6-dihydro-2H-pyran 1485-27-4 C5H6Cl2O
    2,3-Dichlor-5,6-dihydro-2H-pyran
    —— 2-[1-[2-(3-Chloro-4-phenylmethoxyanilino)-2-oxoethyl]cyclopentyl]acetic acid 1269511-11-6 C22H24ClNO4
    2-[1-[2-(3-Chloro-4-phenylmethoxyanilino)-2-oxoethyl]cyclopentyl]acetic acid
    —— 2-(difluoromethyl)-6-ethyl-4-(3-methyl-1H-indazol-5-yl)-1,4-dihydro-pyridine-3,5-dicarbonitrile 1287310-42-2 C18H15F2N5
    2-(difluoromethyl)-6-ethyl-4-(3-methyl-1H-indazol-5-yl)-1,4-dihydro-pyridine-3,5-dicarbonitrile
    —— (2S,3S)-2-(4-Methoxy-phenyl)-4,4-dimethyl-5-oxo-1-(toluene-4-sulfonyl)-pyrrolidine-3-carboxylic acid ethyl ester 130231-95-7 C23H27NO6S
    (2S,3S)-2-(4-Methoxy-phenyl)-4,4-dimethyl-5-oxo-1-(toluene-4-sulfonyl)-pyrrolidine-3-carboxylic acid ethyl ester
    —— 2,3,4,5-tetramethyl-3-nitro-6-oxocyclohexa-1,4-dienecarbonitrile 128540-70-5 C11H12N2O3
    2,3,4,5-tetramethyl-3-nitro-6-oxocyclohexa-1,4-dienecarbonitrile
    —— 2-(α-Methoxyisopropyl) benzimidazol 25716-41-0 C11H14N2O
    2-(α-Methoxyisopropyl) benzimidazol
    —— 2-(4-Amino-9,10-dioxo-9,10-dihydro-anthracen-1-yloxy)-benzoic acid 60878-25-3 C21H13NO5
    2-(4-Amino-9,10-dioxo-9,10-dihydro-anthracen-1-yloxy)-benzoic acid
    —— 2,2'-(1,4-phenylene)bis[4-methyl-1,3-dioxolane] 70659-73-3 C14H18O4
    2,2'-(1,4-phenylene)bis[4-methyl-1,3-dioxolane]
    —— 2-Methyl-5-(3'-chlor-n-propyl)-pyridin 50542-57-9 C9H12ClN
    2-Methyl-5-(3'-chlor-n-propyl)-pyridin
    —— 2-[4-(3-dibenzo[<i>b</i>,<i>f</i>]thiepin-10-yloxy-propyl)-piperazin-1-yl]-ethanol 47581-99-7 C23H28N2O2S
    2-[4-(3-dibenzo[<i>b</i>,<i>f</i>]thiepin-10-yloxy-propyl)-piperazin-1-yl]-ethanol
    —— 2-acetylamino-benzenethiosulfonic acid S-(2-acetylamino-phenyl ester) 38045-48-6 C16H16N2O4S2
    2-acetylamino-benzenethiosulfonic acid S-(2-acetylamino-phenyl ester)
    —— (2E,6E)-(S)-3,7,11,15-Tetramethyl-hexadeca-2,6,14-trienal 254742-59-1 C20H34O
    (2E,6E)-(S)-3,7,11,15-Tetramethyl-hexadeca-2,6,14-trienal
    —— 2-(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yloxy)-benzoic acid 141857-92-3 C16H13NO4
    2-(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yloxy)-benzoic acid
    —— 2-[6-Chloro-4-(2-chloro-phenyl)-quinazolin-2-yl]-5-methyl-2,4-dihydro-pyrazol-3-one 100672-15-9 C18H12Cl2N4O
    2-[6-Chloro-4-(2-chloro-phenyl)-quinazolin-2-yl]-5-methyl-2,4-dihydro-pyrazol-3-one
    —— 2-(2-chloro-phenyl)-4,5,6,7-tetrahydro-benzothiazole-4-carboxylic acid ethyl ester 33695-14-6 C16H16ClNO2S
    2-(2-chloro-phenyl)-4,5,6,7-tetrahydro-benzothiazole-4-carboxylic acid ethyl ester
    —— 2′,3′,5′-tri-O-acetyl-1-[(E)-2-(N-methoxy-N-methylaminocarbonyl)vinyl]inosine 1441064-18-1 C21H25N5O10
    2′,3′,5′-tri-O-acetyl-1-[(E)-2-(N-methoxy-N-methylaminocarbonyl)vinyl]inosine
    —— 2-<2,4,5,5-Tetrachlor-pentadien-(2,4)-yliden>-(5,5)-dimethyl-cyclohexandion-(1,3) 10269-41-7 C13H12Cl4O2
    2-<2,4,5,5-Tetrachlor-pentadien-(2,4)-yliden>-(5,5)-dimethyl-cyclohexandion-(1,3)
    —— 2-methyl-2-phenyl-6,6-bis(trifluoromethyl)oxane 141207-58-1 C14H14F6O
    2-methyl-2-phenyl-6,6-bis(trifluoromethyl)oxane
    —— 2,3-Dimethyl-pentadien-(3,4)-dithiosaeure-aethylester 23117-74-0 C9H14S2
    2,3-Dimethyl-pentadien-(3,4)-dithiosaeure-aethylester
    —— 2,2,4,4,11,11,13,13-octamethyl-3,5,12,14-tetraoxa-2,4,11,13-tetrasila-tricyclo[14.2.2.2<sup>7,10</sup>]docosane 33324-23-1 C22H48O4Si4
    2,2,4,4,11,11,13,13-octamethyl-3,5,12,14-tetraoxa-2,4,11,13-tetrasila-tricyclo[14.2.2.2<sup>7,10</sup>]docosane
    —— 2-(3-acetoxy-4-methoxyphenyl)-8-(3-methylbut-2-enyl)-4-oxo-4H-chromene-3,5,7-triyl triacetate 1383545-68-3 C29H28O11
    2-(3-acetoxy-4-methoxyphenyl)-8-(3-methylbut-2-enyl)-4-oxo-4H-chromene-3,5,7-triyl triacetate
    —— 2,3-diamino-9,10-dihydro-9-oxoacridine 142212-14-4 C13H11N3O
    2,3-diamino-9,10-dihydro-9-oxoacridine
    —— 2,4,4'-Trimethyl-6-nitro-diphenylsulfid 1222-09-9 C15H15NO2S
    2,4,4'-Trimethyl-6-nitro-diphenylsulfid
    —— (2S,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-butyric acid benzyl ester 89355-33-9 C18H30O3Si
    (2S,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-butyric acid benzyl ester
    —— 2-Methyl-3-<N-methyl-naphthyl-(2)-amino>-propionsaeure-methylester 1152-25-6 C16H19NO2
    2-Methyl-3-<N-methyl-naphthyl-(2)-amino>-propionsaeure-methylester
    —— 2-chloro-7-(diethylamino)pyrrolo<1,2-b>pyridazine 76605-86-2 C11H14ClN3
    2-chloro-7-(diethylamino)pyrrolo<1,2-b>pyridazine
    —— (2R,3R,4S,5S,6R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-6-hydroxy-1,7-dioxaspiro[4.4]nonan-8-one 1353888-64-8 C29H30O7
    (2R,3R,4S,5S,6R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-6-hydroxy-1,7-dioxaspiro[4.4]nonan-8-one
    —— (2R)-2-[(1S)-2-nitro-1-phenylethyl]dodecanal 1426256-62-3 C20H31NO3
    (2R)-2-[(1S)-2-nitro-1-phenylethyl]dodecanal
    —— [2-((E)-3-{1-[5-(3-dimethylaminomethyl-phenyl)-thiophene-2-sulfonyl]-1H-pyrrol-3-yl}-allanoylamino)-phenyl]-carbamic acid tert-butyl ester 910462-22-5 C31H34N4O5S2
    [2-((E)-3-{1-[5-(3-dimethylaminomethyl-phenyl)-thiophene-2-sulfonyl]-1H-pyrrol-3-yl}-allanoylamino)-phenyl]-carbamic acid tert-butyl ester