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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(4-Amino-3-methoxy-9,10-dioxo-9,10-dihydro-anthracen-1-ylamino)-4-nitro-benzoic acid 43099-31-6 C22H15N3O7
    2-(4-Amino-3-methoxy-9,10-dioxo-9,10-dihydro-anthracen-1-ylamino)-4-nitro-benzoic acid
    —— 2(2-Phenyl-2-oxoethyliden)-4-vinyl-1,3-dithiolan 50639-55-9 C13H12OS2
    2(2-Phenyl-2-oxoethyliden)-4-vinyl-1,3-dithiolan
    —— 2-Cyano-1-(p-toluolsulfonylamino)-9-(p-toluolsulfyloxy)-3H-pyrrolo<1.2-d>indol-3-on 49621-20-7 C26H19N3O6S2
    2-Cyano-1-(p-toluolsulfonylamino)-9-(p-toluolsulfyloxy)-3H-pyrrolo<1.2-d>indol-3-on
    —— 2-[[(Z)-4-(2,4-Dimethyl-phenyl)-3-methyl-but-2-enyl]-(2-hydroxy-ethyl)-amino]-ethanol 52220-27-6 C17H27NO2
    2-[[(Z)-4-(2,4-Dimethyl-phenyl)-3-methyl-but-2-enyl]-(2-hydroxy-ethyl)-amino]-ethanol
    —— 2-Benzyl-4,6-bis-<2-methyl-benzyl>-phenol 40789-58-0 C29H28O
    2-Benzyl-4,6-bis-<2-methyl-benzyl>-phenol
    —— 2,3-Dinitro-2-p-nitrophenyl-3-p-bromophenylhydrindenon 24016-93-1 C21H12BrN3O7
    2,3-Dinitro-2-p-nitrophenyl-3-p-bromophenylhydrindenon
    —— 2-Butoxy-7-chloro-10-(<3-(dimethylamino)propyl>thio)benzo<b><1,5>naphthyridine 35771-79-0 C21H26ClN3OS
    2-Butoxy-7-chloro-10-(<3-(dimethylamino)propyl>thio)benzo<b><1,5>naphthyridine
    —— 2-methyl-6-nitro-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one 38511-75-0 C15H13N3O3
    2-methyl-6-nitro-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one
    —— 2-(2-imino-3-methyl-2,3-dihydro-imidazol-1-yl)-1-phenyl-ethanol 37162-82-6 C12H15N3O
    2-(2-imino-3-methyl-2,3-dihydro-imidazol-1-yl)-1-phenyl-ethanol
    —— 2-[(2,5-Dibromo-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione 27845-12-1 C16H12Br2N2O2
    2-[(2,5-Dibromo-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione
    —— 2-Amino-4-hydroxy-7-(1-adamantyl)pteridin 39874-34-5 C16H19N5O
    2-Amino-4-hydroxy-7-(1-adamantyl)pteridin
    —— 2-(m-Tolyl)-2-phenyl-4-dimethylaminomethyl-1,3-dioxolan-methiodid 36388-76-8 C20H26NO2*I
    2-(m-Tolyl)-2-phenyl-4-dimethylaminomethyl-1,3-dioxolan-methiodid
    —— 2-<α-(N-Isopropyl-amino)-benzyl>-4'-phenyl-acrylphenon 18621-07-3 C25H25NO
    2-<α-(N-Isopropyl-amino)-benzyl>-4'-phenyl-acrylphenon
    —— <2-(p-Methoxyphenyl)propyl>malonsaeurediaethylester 34399-54-7 C17H24O5
    <2-(p-Methoxyphenyl)propyl>malonsaeurediaethylester
    —— 2-Chloro-4-methyl-hexahydro-cyclopenta[1,3,2]dioxaphosphinine 2-oxide 118926-69-5 C7H12ClO3P
    2-Chloro-4-methyl-hexahydro-cyclopenta[1,3,2]dioxaphosphinine 2-oxide
    —— 2-Trifluoromethyl-benzoic acid [1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-hydrazide 26107-71-1 C13H8F3N3O4
    2-Trifluoromethyl-benzoic acid [1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-hydrazide
    —— 2-(1-Adamantanoyl)-4-(1-adamantyl)-imidazol 29985-09-9 C24H32N2O
    2-(1-Adamantanoyl)-4-(1-adamantyl)-imidazol
    —— 2-m-Tolyl-1,3-oxazolon-(4) 35337-86-1 C10H9NO2
    2-m-Tolyl-1,3-oxazolon-(4)
    —— 2'-Amino-cholest-2-eno<3,2-b>-thiophen-4'-carbonitril 23953-17-5 C30H46N2S
    2'-Amino-cholest-2-eno<3,2-b>-thiophen-4'-carbonitril
    —— 2-cyclohexyl-5-(4-methoxy-phenyl)-3-methylsulfanyl-isothiazolium; iodide 30165-53-8 C17H22NOS2*I
    2-cyclohexyl-5-(4-methoxy-phenyl)-3-methylsulfanyl-isothiazolium; iodide
    —— 2-(3-cyclohexyl-propyl)-1-(3-diethylamino-propyl)-1<i>H</i>-naphtho[1,2-<i>d</i>]imidazole-4,5-dione 26261-08-5 C27H37N3O2
    2-(3-cyclohexyl-propyl)-1-(3-diethylamino-propyl)-1<i>H</i>-naphtho[1,2-<i>d</i>]imidazole-4,5-dione
    —— 2,4-Diamino-(3,4-dichlorophenyl)-6-(p-formylstyryl)pyrimidine 47480-66-0 C19H14Cl2N4O
    2,4-Diamino-(3,4-dichlorophenyl)-6-(p-formylstyryl)pyrimidine
    —— 2-Ethoxyethyl-5-phenyl-pentanoat 57096-23-8 C15H22O3
    2-Ethoxyethyl-5-phenyl-pentanoat
    —— 2-(4-Fluor-benzyl)-7-trifluormethyl-2-aza-spiro<4.5>decan-1,3-dion 21803-87-2 C17H17F4NO2
    2-(4-Fluor-benzyl)-7-trifluormethyl-2-aza-spiro<4.5>decan-1,3-dion
    —— 2-[1-(5-oxo-pyrrolidin-2-ylidene)-ethyl]-3<i>H</i>-quinazolin-4-one 50547-42-7 C14H13N3O2
    2-[1-(5-oxo-pyrrolidin-2-ylidene)-ethyl]-3<i>H</i>-quinazolin-4-one
    —— 2,2-diisopropoxy-3,4-dihydro-2<i>H</i>-pyran 30828-16-1 C11H20O3
    2,2-diisopropoxy-3,4-dihydro-2<i>H</i>-pyran
    —— (2R,3S,4S)-2-(4-Benzyloxy-phenyl)-3,4-diphenyl-tetrahydro-furan 54282-35-8 C29H26O2
    (2R,3S,4S)-2-(4-Benzyloxy-phenyl)-3,4-diphenyl-tetrahydro-furan
    —— 2,3-Bis-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-succinic acid methoxymethyl ester 2-trimethylsilanyl-ethyl ester 862263-18-1 C27H34O7Si
    2,3-Bis-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-succinic acid methoxymethyl ester 2-trimethylsilanyl-ethyl ester
    —— (2R,4S)-2-Benzyl-1-(3,5-dichlorobenzoyl)-N-(4-chlorobenzyl)-4-piperidinamine 150707-44-1 C26H25Cl3N2O
    (2R,4S)-2-Benzyl-1-(3,5-dichlorobenzoyl)-N-(4-chlorobenzyl)-4-piperidinamine
    —— 2-Brom-1,3-diphenyl-3-anilino-2-propen-1-on 79947-72-1 C21H16BrNO
    2-Brom-1,3-diphenyl-3-anilino-2-propen-1-on
    —— 2,2-dimethyl-5-<i>o</i>-tolyl-2,3-dihydro-imidazol-4-one isopropylidenehydrazone 52546-38-0 C15H20N4
    2,2-dimethyl-5-<i>o</i>-tolyl-2,3-dihydro-imidazol-4-one isopropylidenehydrazone
    —— 2-{5-[1-Hydroxy-1-isopropoxy-meth-(E)-ylidene]-cyclopenta-1,3-dienylazo}-phenol 53639-61-5 C15H16N2O3
    2-{5-[1-Hydroxy-1-isopropoxy-meth-(E)-ylidene]-cyclopenta-1,3-dienylazo}-phenol
    —— 2'-D-Methylriboadenyl-(3'-5')-2'-O-methylriboadenosin 54621-66-8 C22H29N10O10P
    2'-D-Methylriboadenyl-(3'-5')-2'-O-methylriboadenosin
    —— 2-(1-Methyldithiocarbonyl-3-indolyl)-3-bis-(methylthio)-acrylnitril 31486-52-9 C15H14N2S4
    2-(1-Methyldithiocarbonyl-3-indolyl)-3-bis-(methylthio)-acrylnitril
    —— 2-[2-(4-bromo-phenyl)-2-hydroxy-ethylsulfanyl]-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one 30531-15-8 C22H19BrN2O2S
    2-[2-(4-bromo-phenyl)-2-hydroxy-ethylsulfanyl]-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one
    —— 2-β-Phenyl-bicylo<3.3.1>nonan-3-on 1195588-91-0 C15H18O
    2-β-Phenyl-bicylo<3.3.1>nonan-3-on
    —— 2,3,9-Tribromo-indophenazin 49764-48-9 C14H6Br3N3
    2,3,9-Tribromo-indophenazin
    —— 2-Acetylamino-3-(2-iodo-benzylsulfanyl)-propionic acid 52273-98-0 C12H14INO3S
    2-Acetylamino-3-(2-iodo-benzylsulfanyl)-propionic acid
    —— (2S,3S,4R,5R)-4-Chloro-2-methoxy-5-trityloxymethyl-tetrahydro-furan-3-ol 40147-76-0 C25H25ClO4
    (2S,3S,4R,5R)-4-Chloro-2-methoxy-5-trityloxymethyl-tetrahydro-furan-3-ol
    —— 2-Propenoic acid, 2-cyano-3-[[4-(2-phenyldiazenyl)phenyl]amino]-, methyl ester 909344-48-5 C17H14N4O2
    2-Propenoic acid, 2-cyano-3-[[4-(2-phenyldiazenyl)phenyl]amino]-, methyl ester
    —— (2-bromo-5-nitro-phenylhydrazono)-(5-methyl-[1,2,4]oxadiazol-3-yl)-acetic acid ethyl ester 2801-63-0 C13H12BrN5O5
    (2-bromo-5-nitro-phenylhydrazono)-(5-methyl-[1,2,4]oxadiazol-3-yl)-acetic acid ethyl ester
    —— 2-((3a<i>R</i>)-7<i>c</i>-methanesulfonyloxy-2,2-dimethyl-(3a<i>r</i>,7a<i>c</i>)-3a,6,7,7a-tetrahydro-benzo[1,3]dioxol-5-yl)-<i>N</i>-methyl-2-oxo-acetamide 26681-52-7 C13H19NO7S
    2-((3a<i>R</i>)-7<i>c</i>-methanesulfonyloxy-2,2-dimethyl-(3a<i>r</i>,7a<i>c</i>)-3a,6,7,7a-tetrahydro-benzo[1,3]dioxol-5-yl)-<i>N</i>-methyl-2-oxo-acetamide
    —— 2α,3β-Dimethyl-5α-cholestan-2β-ol 43166-61-6 C29H52O
    2α,3β-Dimethyl-5α-cholestan-2β-ol
    —— 2,4,4,6,6-Pentakis-(4-chloro-phenoxy)-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinin-2-yl-phosphorimidic acid dibutyl ester 51421-52-4 C38H39Cl5N4O8P4
    2,4,4,6,6-Pentakis-(4-chloro-phenoxy)-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinin-2-yl-phosphorimidic acid dibutyl ester
    —— (23B) 26989-52-6 C30H36N2O5S2
    (23B)
    —— 2,3,7,8-Tetraaza-5-selena-fluoren 39567-48-1 C8H4N4Se
    2,3,7,8-Tetraaza-5-selena-fluoren
    —— (2,2-Dichloro-propionyl)-phosphoramidic acid di-p-tolyl ester 28053-77-2 C17H18Cl2NO4P
    (2,2-Dichloro-propionyl)-phosphoramidic acid di-p-tolyl ester
    —— 2-(7-ethanesulfonyl-2,3-dihydro-benzo[1,4]dioxine-5-carbonyl)-octahydro-pyrrolo[1,2-<i>a</i>]pyrazine 66410-86-4 C18H24N2O5S
    2-(7-ethanesulfonyl-2,3-dihydro-benzo[1,4]dioxine-5-carbonyl)-octahydro-pyrrolo[1,2-<i>a</i>]pyrazine
    —— 2-[3-Methoxy-4-[4-methyl-3-(1-phenylethyl)imidazol-1-ium-1-yl]phenyl]-1,2-thiazolidine 1,1-dioxide 1261279-10-0 C22H26N3O3S
    2-[3-Methoxy-4-[4-methyl-3-(1-phenylethyl)imidazol-1-ium-1-yl]phenyl]-1,2-thiazolidine 1,1-dioxide
    —— (2-bromo-but-1-enyl)-diphenyl-phosphane; hydrobromide 21543-70-4 BrH*C16H16BrP
    (2-bromo-but-1-enyl)-diphenyl-phosphane; hydrobromide