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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2'-(1,2,3,4-tetramethyl-buta-1,3-diene-1,4-diyl)-bis-benzo[<i>d</i>][1,3]oxazin-4-one 50547-32-5 C24H20N2O4
    2,2'-(1,2,3,4-tetramethyl-buta-1,3-diene-1,4-diyl)-bis-benzo[<i>d</i>][1,3]oxazin-4-one
    —— 2-benzylsulfanyl-5,5-diphenyl-3,5-dihydro-imidazole-4-thione 50596-59-3 C22H18N2S2
    2-benzylsulfanyl-5,5-diphenyl-3,5-dihydro-imidazole-4-thione
    —— 2-methyl-5-phenyl-2-aza-bicyclo[3.2.0]hept-6-en-3-one 41789-86-0 C13H13NO
    2-methyl-5-phenyl-2-aza-bicyclo[3.2.0]hept-6-en-3-one
    —— 2,3,3,3-Tetrafluoro-2-{1,1,2,3,3,3-hexafluoro-2-[1,1,2,3,3,3-hexafluoro-2-(1,1,3,3,3-pentafluoro-2-oxo-propoxy)-propoxy]-propoxy}-propionic acid 42775-40-6 C12HF21O6
    2,3,3,3-Tetrafluoro-2-{1,1,2,3,3,3-hexafluoro-2-[1,1,2,3,3,3-hexafluoro-2-(1,1,3,3,3-pentafluoro-2-oxo-propoxy)-propoxy]-propoxy}-propionic acid
    —— 2-(p-Methoxyphenyl)-3-(p-2'-methylbutoxyphenyl)-4-thiazolidinon 53085-30-6 C21H25NO3S
    2-(p-Methoxyphenyl)-3-(p-2'-methylbutoxyphenyl)-4-thiazolidinon
    —— (2Z)-3-(4-aminophenyl)-1-(4-(4-ethylpiperazin-1-yl)-phenyl)-3-hydroxyprop-2-en-1-one 881214-09-1 C21H25N3O2
    (2Z)-3-(4-aminophenyl)-1-(4-(4-ethylpiperazin-1-yl)-phenyl)-3-hydroxyprop-2-en-1-one
    —— 2-Phenoxy-1-(2-trifluoromethyl-phenyl)but-1-en-3-one 122997-11-9 C17H13F3O2
    2-Phenoxy-1-(2-trifluoromethyl-phenyl)but-1-en-3-one
    —— 2-(1-butoxy-ethoxy)-propionitrile 86177-93-7 C9H17NO2
    2-(1-butoxy-ethoxy)-propionitrile
    —— 2-methoxy-10-methyl-8,14-dioxo-6,7-dihydro-8H,14H-5,13-diazabenz[e]aceanthrylene 1107664-08-3 C20H16N2O3
    2-methoxy-10-methyl-8,14-dioxo-6,7-dihydro-8H,14H-5,13-diazabenz[e]aceanthrylene
    —— (2S,4R)-1-((2-azidoacetyl)-L-alanyl)-4-fluoro-N-((S)-1-hydrazineyl-1-oxohexan-2-yl)pyrrolidine-2-carboxamide 1620108-04-4 C16H27FN8O4
    (2S,4R)-1-((2-azidoacetyl)-L-alanyl)-4-fluoro-N-((S)-1-hydrazineyl-1-oxohexan-2-yl)pyrrolidine-2-carboxamide
    —— 2-(2,6-dinitrophenoxy)-1-morpholin-4-ylethanone 139004-68-5 C12H13N3O7
    2-(2,6-dinitrophenoxy)-1-morpholin-4-ylethanone
    —— 2-(benzothiazole-2-sulfonyl)-1-thiophen-3-yl-ethanone 1226526-67-5 C13H9NO3S3
    2-(benzothiazole-2-sulfonyl)-1-thiophen-3-yl-ethanone
    —— (2S,4R)-N-[(4-chlorophenyl)methyl]-4-hydroxy-1-(3-hydroxybenzoyl)pyrrolidine-2-carboxamide 1418120-80-5 C19H19ClN2O4
    (2S,4R)-N-[(4-chlorophenyl)methyl]-4-hydroxy-1-(3-hydroxybenzoyl)pyrrolidine-2-carboxamide
    —— (2-acetyl-1,10-phenanthroline(2,6-diethylanil))trichlorochromium(III) 1072830-57-9 C24H23Cl3CrN3
    (2-acetyl-1,10-phenanthroline(2,6-diethylanil))trichlorochromium(III)
    —— [2-(fluoromethyl)-6-[[(2R,6S)-6-(4-methylsulfanylphenyl)oxan-2-yl]methylamino]pyrimidin-4-yl]-[4-[(3-fluorooxan-4-yl)amino]piperidin-1-yl]methanone 1420297-60-4 C29H39F2N5O3S
    [2-(fluoromethyl)-6-[[(2R,6S)-6-(4-methylsulfanylphenyl)oxan-2-yl]methylamino]pyrimidin-4-yl]-[4-[(3-fluorooxan-4-yl)amino]piperidin-1-yl]methanone
    —— (2-Chlor-3.3.4.4-tetrafluor-cyclobut-1-en-1-yl)-trimethylsilan 13236-37-8 C7H9ClF4Si
    (2-Chlor-3.3.4.4-tetrafluor-cyclobut-1-en-1-yl)-trimethylsilan
    —— 2-O-benzoyl-3,4-di-O-methyl-α-D-rhamnopyranosyl ortho-cyclopropylethynylbenzoate 1579198-03-0 C27H28O7
    2-O-benzoyl-3,4-di-O-methyl-α-D-rhamnopyranosyl ortho-cyclopropylethynylbenzoate
    —— (2-bromo-phenyl)-(5,6,7-trimethyl-1H,3H-2,4,7a,8-tetraaza-cyclopenta[a]inden-2-yl)-methanone 1444115-69-8 C23H27FN6O
    (2-bromo-phenyl)-(5,6,7-trimethyl-1H,3H-2,4,7a,8-tetraaza-cyclopenta[a]inden-2-yl)-methanone
    —— 2-(2,4-dinitrophenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-5-amine 1581289-04-4 C15H14N4O6S
    2-(2,4-dinitrophenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-5-amine
    —— 2-(2,4-dinitrophenyl)-4-phenyl-5-(1-phenylvinyl)-2H-1,2,3-triazole 1083310-87-5 C22H15N5O4
    2-(2,4-dinitrophenyl)-4-phenyl-5-(1-phenylvinyl)-2H-1,2,3-triazole
    —— 2-butyl-2-diethylaminomethyl-hexanenitrile 855913-92-7 C15H30N2
    2-butyl-2-diethylaminomethyl-hexanenitrile
    —— 2,3-Dimethyl-bicyclo<2.2.0>hexen-(2)-dicarbonsaeure-(1,4)-dimethylester 92723-27-8 C12H16O4
    2,3-Dimethyl-bicyclo<2.2.0>hexen-(2)-dicarbonsaeure-(1,4)-dimethylester
    —— 2',4'-difluoro-5-(5-(1-methyl-1H-1,2,3-triazol-4-yl)-1H-benzo[d]imidazol-1-yl)biphenyl-3-amine 1430727-61-9 C22H16F2N6
    2',4'-difluoro-5-(5-(1-methyl-1H-1,2,3-triazol-4-yl)-1H-benzo[d]imidazol-1-yl)biphenyl-3-amine
    —— 2-iodo-4-methoxy-3-(vinyloxy)benzaldehyde 1224956-27-7 C10H9IO3
    2-iodo-4-methoxy-3-(vinyloxy)benzaldehyde
    —— 2-benzoyloxy-3-(phenylthio)propyl phenyl ether 123295-63-6 C22H20O3S
    2-benzoyloxy-3-(phenylthio)propyl phenyl ether
    —— (2S,3S,5S,6S)-1,7-di-O-benzyl-2,4,6-trifluoroheptane-1,3,5,7-tetraol 1187425-93-9 C21H25F3O4
    (2S,3S,5S,6S)-1,7-di-O-benzyl-2,4,6-trifluoroheptane-1,3,5,7-tetraol
    —— 2-(2,4-dinitro-phenyl)-6-phenyl-2<i>H</i>-[1,2,4]triazine-3,5-dione 42141-42-4 C15H9N5O6
    2-(2,4-dinitro-phenyl)-6-phenyl-2<i>H</i>-[1,2,4]triazine-3,5-dione
    —— (2E,4E)-(6S,7S)-8-{2-[(2E,4E)-(R)-6-(4-Chloro-3-methoxy-5-methylamino-phenyl)-1-methoxy-5-methyl-hexa-2,4-dienyl]-[1,3]dithian-2-yl}-7-(2-methoxy-ethoxymethoxy)-4,6-dimethyl-octa-2,4-dienoic acid methyl ester 73542-02-6 C35H52ClNO7S2
    (2E,4E)-(6S,7S)-8-{2-[(2E,4E)-(R)-6-(4-Chloro-3-methoxy-5-methylamino-phenyl)-1-methoxy-5-methyl-hexa-2,4-dienyl]-[1,3]dithian-2-yl}-7-(2-methoxy-ethoxymethoxy)-4,6-dimethyl-octa-2,4-dienoic acid methyl ester
    —— 2,2-Diethyl-4-methyl-7-propyl-[1,6,2]dioxagermepane 41825-49-4 C12H26GeO2
    2,2-Diethyl-4-methyl-7-propyl-[1,6,2]dioxagermepane
    —— 2-[1-(4-Chloro-phenyl)-2-nitro-ethyl]-malonic acid di-tert-butyl ester 52927-57-8 C19H26ClNO6
    2-[1-(4-Chloro-phenyl)-2-nitro-ethyl]-malonic acid di-tert-butyl ester
    —— 2,5,6,7,8-pentachloro-4-methyl-5,6,7,8-tetrahydro-quinoline 40576-14-5 C10H8Cl5N
    2,5,6,7,8-pentachloro-4-methyl-5,6,7,8-tetrahydro-quinoline
    —— 2-Propionyldibenzothiepin 43040-53-5 C17H16OS
    2-Propionyldibenzothiepin
    —— (2R,3S,4S,6S)-4-Amino-6-{(1R,2R,3R,4R,6R)-4,6-diamino-3-[(2R,3S,6R)-3-amino-6-((R)-1-methylamino-ethyl)-tetrahydro-pyran-2-yloxy]-2-hydroxy-cyclohexyloxy}-2-hydroxymethyl-tetrahydro-pyran-3-ol 50908-10-6 C20H41N5O7
    (2R,3S,4S,6S)-4-Amino-6-{(1R,2R,3R,4R,6R)-4,6-diamino-3-[(2R,3S,6R)-3-amino-6-((R)-1-methylamino-ethyl)-tetrahydro-pyran-2-yloxy]-2-hydroxy-cyclohexyloxy}-2-hydroxymethyl-tetrahydro-pyran-3-ol
    —— (2-chloro-thiophen-3-ylmethyl)-phosphonic acid diethyl ester 40033-14-5 C9H14ClO3PS
    (2-chloro-thiophen-3-ylmethyl)-phosphonic acid diethyl ester
    —— 2-Ethyl-3-methyl-3-(3-methylbut-2-enyl)-3H-indol 51281-88-0 C16H21N
    2-Ethyl-3-methyl-3-(3-methylbut-2-enyl)-3H-indol
    —— 2,2'-bis(p-nitrophenyl)ethyl acetate 1354633-40-1 C16H14N2O6
    2,2'-bis(p-nitrophenyl)ethyl acetate
    —— 2-Hydroxy-3,5-dinitro-benzoic acid; compound with naphthalen-2-ol 76519-63-6 C7H4N2O7*C10H8O
    2-Hydroxy-3,5-dinitro-benzoic acid; compound with naphthalen-2-ol
    —— 2-(bis(trimethylsilyl)amino)-4,6-dimethyl-1,3-diphenyl-2,3-dihydro-1,3,2-diazagermin-1-ium 342775-87-5 C23H35GeN3Si2
    2-(bis(trimethylsilyl)amino)-4,6-dimethyl-1,3-diphenyl-2,3-dihydro-1,3,2-diazagermin-1-ium
    —— 2-[bis(trimethylsilyl)amino]-3-bromo-4-fluorobenzonitrile 1194341-39-3 C13H20BrFN2Si2
    2-[bis(trimethylsilyl)amino]-3-bromo-4-fluorobenzonitrile
    —— 2-Mercapto-4-methyl-6-hydroxy-5-pyrimidin-azo-benzolsulfonamid 52599-89-0 C11H11N5O3S2
    2-Mercapto-4-methyl-6-hydroxy-5-pyrimidin-azo-benzolsulfonamid
    —— 2-Methyl-2-(pyridin-3-yloxy)-propionic acid 3-cyclohexylcarbamoyl-propyl ester 49802-95-1 C19H28N2O4
    2-Methyl-2-(pyridin-3-yloxy)-propionic acid 3-cyclohexylcarbamoyl-propyl ester
    —— (2-indol-2-yl-1,1-dimethyl-ethyl)-(1-methyl-piperidin-4-yl)-amine 50527-52-1 C18H27N3
    (2-indol-2-yl-1,1-dimethyl-ethyl)-(1-methyl-piperidin-4-yl)-amine
    —— 2-(3-Cyano-5-ethyl-5-methoxy-4-propionyl-1,5-dihydro-pyrrol-2-ylidene)-malononitrile 42046-48-0 C14H14N4O2
    2-(3-Cyano-5-ethyl-5-methoxy-4-propionyl-1,5-dihydro-pyrrol-2-ylidene)-malononitrile
    —— 2,6-Dinitro-4-sulfophenyl-N-methoxyamin 56105-82-9 C7H6N3O8S*K
    2,6-Dinitro-4-sulfophenyl-N-methoxyamin
    —— (2S,3S)-3-Benzoyloxy-8-butyl-8-aza-bicyclo[3.2.1]octane-2-carboxylic acid methyl ester; hydrochloride 55608-79-2 C20H27NO4*ClH
    (2S,3S)-3-Benzoyloxy-8-butyl-8-aza-bicyclo[3.2.1]octane-2-carboxylic acid methyl ester; hydrochloride
    —— 2-[(1S,3S)-3-(1-Hydroxy-ethyl)-2,2-dimethyl-cyclobutyl]-N-(2,2,2-tribromo-1-hydroxy-ethyl)-acetamide 51249-44-6 C12H20Br3NO3
    2-[(1S,3S)-3-(1-Hydroxy-ethyl)-2,2-dimethyl-cyclobutyl]-N-(2,2,2-tribromo-1-hydroxy-ethyl)-acetamide
    —— 2-(2-Hydroxy-5-nitro-phenylamino)-5-nitro-benzoic acid 54255-58-2 C13H9N3O7
    2-(2-Hydroxy-5-nitro-phenylamino)-5-nitro-benzoic acid
    —— 2-{N'-[1-Cyano-1-phenyl-meth-(E)-ylidene]-hydrazino}-benzoic acid ethyl ester 55709-25-6 C17H15N3O2
    2-{N'-[1-Cyano-1-phenyl-meth-(E)-ylidene]-hydrazino}-benzoic acid ethyl ester
    —— 2,6-Diamino-..p-methoxyphenyl-8-azapurin 49753-44-8 C11H11N7O
    2,6-Diamino-..p-methoxyphenyl-8-azapurin
    —— 2-Methyl-3-[1-naphthalen-2-yl-1-phenyl-meth-(Z)-ylidene]-succinic acid 42202-85-7 C22H18O4
    2-Methyl-3-[1-naphthalen-2-yl-1-phenyl-meth-(Z)-ylidene]-succinic acid