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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Amino-3-methyl-4-nitrobenzoic acid 332082-31-2 C8H8N2O4
    2-Amino-3-methyl-4-nitrobenzoic acid
    —— 2-fluoren-9-yl-2<i>H</i>-pyrazol-3-ylamine 3528-47-0 C16H13N3
    2-fluoren-9-yl-2<i>H</i>-pyrazol-3-ylamine
    —— 2-(3,5-difluorophenyl)-2-oxoacetic acid 208259-76-1 C8H4F2O3
    2-(3,5-difluorophenyl)-2-oxoacetic acid
    —— 2-Oxo-1,2-dihydro-[1,8]naphthyridine-3-carboxylic acid [1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazide 349113-64-0 C16H11ClN4O2
    2-Oxo-1,2-dihydro-[1,8]naphthyridine-3-carboxylic acid [1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazide
    —— 26,28-Bis[(4-aminophenyl)methoxy]-5,11,17,23-tetratert-butylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-diol 1169996-19-3 C58H70N2O4
    26,28-Bis[(4-aminophenyl)methoxy]-5,11,17,23-tetratert-butylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-diol
    —— 2-(4-methoxyphenyl)-7-(2-tetrahydro-1H-1-pyrrolylethoxy)-4-chromanone 850152-79-3 C22H25NO4
    2-(4-methoxyphenyl)-7-(2-tetrahydro-1H-1-pyrrolylethoxy)-4-chromanone
    —— (2S,8S)-O,O'-bis(tert-butyldimethylsilyl)-5-nitro-2,8-nonanediol 1006061-25-1 C21H47NO4Si2
    (2S,8S)-O,O'-bis(tert-butyldimethylsilyl)-5-nitro-2,8-nonanediol
    —— (2R,3S,4S,5R,6S)-3-Benzyloxy-2-methyl-5-phenylsulfanyl-6-((3aS,4R,6R,7R,7aS)-2,2,6-trimethyl-4-phenylsulfanyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yloxy)-tetrahydro-pyran-4-ol 439915-09-0 C34H40O7S2
    (2R,3S,4S,5R,6S)-3-Benzyloxy-2-methyl-5-phenylsulfanyl-6-((3aS,4R,6R,7R,7aS)-2,2,6-trimethyl-4-phenylsulfanyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yloxy)-tetrahydro-pyran-4-ol
    —— 2-Imino-6-(6-methoxy-2,3-diphenyl-benzofuran-5-yl)-4-phenyl-2H-pyran-3-carboxylic acid ethyl ester 86750-18-7 C35H27NO5
    2-Imino-6-(6-methoxy-2,3-diphenyl-benzofuran-5-yl)-4-phenyl-2H-pyran-3-carboxylic acid ethyl ester
    —— 2-(bromomethyl)-4-fluoro-1-((2-chloro-4,5-difluorobenzyl)oxy)benzene 1427422-68-1 C14H9BrClF3O
    2-(bromomethyl)-4-fluoro-1-((2-chloro-4,5-difluorobenzyl)oxy)benzene
    —— 2-(4-ethyl-5-fluoropyridin-3-yl)-7-fluoro[1,2,4]triazolo[1,5-a]pyridine 1428262-62-7 C13H10F2N4
    2-(4-ethyl-5-fluoropyridin-3-yl)-7-fluoro[1,2,4]triazolo[1,5-a]pyridine
    —— [2,3-dimethoxy-6-(1-oxoindan-5-yl)phenyl]-3-methylsulfanylpropanoate 1345880-93-4 C21H22O5S
    [2,3-dimethoxy-6-(1-oxoindan-5-yl)phenyl]-3-methylsulfanylpropanoate
    —— 2-nitro-2'-(trifluoromethoxy)biphenyl 175676-48-9 C13H8F3NO3
    2-nitro-2'-(trifluoromethoxy)biphenyl
    —— (2-aminothiophenol)(formato)2platinum(II) 85744-25-8 C8H9NO4PtS
    (2-aminothiophenol)(formato)2platinum(II)
    —— 2-(4-ethyl-5-fluoropyridin-3-yl)-6,7-difluoro[1,2,4]triazolo[1,5-a]pyridine 1428262-83-2 C13H9F3N4
    2-(4-ethyl-5-fluoropyridin-3-yl)-6,7-difluoro[1,2,4]triazolo[1,5-a]pyridine
    —— 2-(2-(chloro(3,5-dimethylisoxazol-4-yl)methyl)furo[3,2-b]pyridin-5-yl)-N-((S)-(2,4-dimethylphenyl)(phenyl)methyl)acetamide 1422170-76-0 C30H28ClN3O3
    2-(2-(chloro(3,5-dimethylisoxazol-4-yl)methyl)furo[3,2-b]pyridin-5-yl)-N-((S)-(2,4-dimethylphenyl)(phenyl)methyl)acetamide
    —— 2-(3,5-dibromo-4-iodophenyl)ethanol 1024500-31-9 C8H7Br2IO
    2-(3,5-dibromo-4-iodophenyl)ethanol
    —— 2-[{[4-(1,3-benzoxazol-2-yl)phenyl]carbonyl}(methyl)amino]-N-hydroxy-N'-methylpropanediamide 1344696-87-2 C19H18N4O5
    2-[{[4-(1,3-benzoxazol-2-yl)phenyl]carbonyl}(methyl)amino]-N-hydroxy-N'-methylpropanediamide
    —— 2-[4-(3-methoxy-phenyl)-7-oxo-6-(5-pyrrolidin-1-yl-2-trifluoromethyl-phenyl)-2,3,6,7-tetrahydro-pyrrolo[2,3-d]pyridazin-1-yl]-acetamide 937192-78-4 C26H26F3N5O3
    2-[4-(3-methoxy-phenyl)-7-oxo-6-(5-pyrrolidin-1-yl-2-trifluoromethyl-phenyl)-2,3,6,7-tetrahydro-pyrrolo[2,3-d]pyridazin-1-yl]-acetamide
    —— 2-[1-(5-fluoro-2-methyl-benzenesulfonyl)-piperidin-3-yl]-N-piperidin-1-yl-acetamide 1040880-09-8 C19H28FN3O3S
    2-[1-(5-fluoro-2-methyl-benzenesulfonyl)-piperidin-3-yl]-N-piperidin-1-yl-acetamide
    —— 2-[4-benzyl-2-(methoxymethyl)piperazin-1-yl]-6-nitroquinoline 936553-18-3 C22H24N4O3
    2-[4-benzyl-2-(methoxymethyl)piperazin-1-yl]-6-nitroquinoline
    —— 2-(4,6-dimethoxy-2-pyrimidinyloxy)-3,3-diphenylvaleric acid 197971-93-0 C23H24N2O5
    2-(4,6-dimethoxy-2-pyrimidinyloxy)-3,3-diphenylvaleric acid
    —— 2'-phenoxy-N-piperidin-4-yl-3-(trifluoromethyl)biphenyl-4-sulfonamide 1027009-79-5 C24H23F3N2O3S
    2'-phenoxy-N-piperidin-4-yl-3-(trifluoromethyl)biphenyl-4-sulfonamide
    —— 2-[5-((S)-3-hydroxy-pyrrolidin-1-yl)-2-trifluoromethyl-phenyl]-4-isobutyl-2,5,6,7-tetrahydro-cyclopenta[d]pyridazin-1-one 937190-95-9 C22H26F3N3O2
    2-[5-((S)-3-hydroxy-pyrrolidin-1-yl)-2-trifluoromethyl-phenyl]-4-isobutyl-2,5,6,7-tetrahydro-cyclopenta[d]pyridazin-1-one
    —— 2,2-dimethylpropanoate;manganese(3+);4-nitro-2-[3-[(5-nitro-2-oxidophenyl)methylideneamino]propyliminomethyl]phenolate 219789-13-6 C22H23MnN4O8
    2,2-dimethylpropanoate;manganese(3+);4-nitro-2-[3-[(5-nitro-2-oxidophenyl)methylideneamino]propyliminomethyl]phenolate
    —— (2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-1-thio-α-D-mannopyranoside 1197987-90-8 C26H36O17S
    (2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-1-thio-α-D-mannopyranoside
    —— 2-Pyridinio-propionsaeure-betain-trichloracetat 83819-48-1 C2Cl3O2*C8H10NO2
    2-Pyridinio-propionsaeure-betain-trichloracetat
    —— 2,2-bis(ethylthio)-1-phenylethan-1-one 84543-50-0 C12H16OS2
    2,2-bis(ethylthio)-1-phenylethan-1-one
    —— 2,3-Di-tert-butyl-1-hydroxy-1,2,3,4-tetrahydropyrrolo<1,2-d><1,2,4>triazin-4-one 152535-89-2 C14H23N3O2
    2,3-Di-tert-butyl-1-hydroxy-1,2,3,4-tetrahydropyrrolo<1,2-d><1,2,4>triazin-4-one
    —— 2-Methoxycarbonylamino-5(6)-Z-L-valylglycyl-aminobenzimidazole 125705-83-1 C24H28N6O6
    2-Methoxycarbonylamino-5(6)-Z-L-valylglycyl-aminobenzimidazole
    —— 2-Mercapto-3-methylcarbamoyl-indole-1-carboxylic acid tert-butyl ester 721443-60-3 C15H18N2O3S
    2-Mercapto-3-methylcarbamoyl-indole-1-carboxylic acid tert-butyl ester
    —— 2-(6-benzyloxy-benzoimidazol-1-yl)-4-(3-chloro-phenyl)-thiazole-5-carboxylic acid ethyl ester 1232234-81-9 C26H20ClN3O3S
    2-(6-benzyloxy-benzoimidazol-1-yl)-4-(3-chloro-phenyl)-thiazole-5-carboxylic acid ethyl ester
    —— (2S,3R,4S,5R,6R)-3,4-Bis-benzyloxy-6-but-3-ynyl-2-methoxy-5-(4-methoxy-benzyloxy)-tetrahydro-pyran 273926-17-3 C32H36O6
    (2S,3R,4S,5R,6R)-3,4-Bis-benzyloxy-6-but-3-ynyl-2-methoxy-5-(4-methoxy-benzyloxy)-tetrahydro-pyran
    —— 2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl bromide 19186-59-5 C14H19BrO9
    2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl bromide
    —— 2,2-dichloro-N-[(5-pentyl-1,3,4-thiadiazol-2-yl)carbamoyl]acetamide 75122-60-0 C10H14Cl2N4O2S
    2,2-dichloro-N-[(5-pentyl-1,3,4-thiadiazol-2-yl)carbamoyl]acetamide
    —— 2,2a,7,7a-Tetrahydro-1,2a-dimethyl-2,7,8-triphenyl-1,7-methano-1H-cyclobut<a>indene 134816-93-6 C32H26
    2,2a,7,7a-Tetrahydro-1,2a-dimethyl-2,7,8-triphenyl-1,7-methano-1H-cyclobut<a>indene
    —— 2,2',2'',2'''-((15,35,55,75-tetra-tert-butyl-2,4,6,8-tetrathia-1,3,5,7(1,3)-tetrabenzenacyclooctaphane-12,32,52,72-tetrayl)tetrakis(oxy))tetrakis(N-(pyridin-4-yl)acetamide) oxalate 1207458-53-4 C2H2O4*C68H72N8O8S4
    2,2',2'',2'''-((15,35,55,75-tetra-tert-butyl-2,4,6,8-tetrathia-1,3,5,7(1,3)-tetrabenzenacyclooctaphane-12,32,52,72-tetrayl)tetrakis(oxy))tetrakis(N-(pyridin-4-yl)acetamide) oxalate
    —— 2-Oxo-5α-methyl-17β-acetoxy-Δ<sup>9(11)</sup>-10ξ-oestren 5885-00-7 C21H30O3
    2-Oxo-5α-methyl-17β-acetoxy-Δ<sup>9(11)</sup>-10ξ-oestren
    —— (2S,3S,7R,8S,9R,10R,11S,13R)-14-(benzyloxy)-13-[(4-methoxybenzyl)oxy]-8,10-dimethyl-5-methylidene-7-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}-2-[(4S,5S,6R)-2,2,5-trimethyl-6-(propan-2-yl)-1,3-dioxan-4-yl]tetradecane-3,9,11-triol 1298085-84-3 C51H73F3O9
    (2S,3S,7R,8S,9R,10R,11S,13R)-14-(benzyloxy)-13-[(4-methoxybenzyl)oxy]-8,10-dimethyl-5-methylidene-7-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}-2-[(4S,5S,6R)-2,2,5-trimethyl-6-(propan-2-yl)-1,3-dioxan-4-yl]tetradecane-3,9,11-triol
    —— (2R,4R,5R)-methyl 5-(bromodifluoromethyl)-1-(4-methoxyphenyl)-2-butylimidazolidine-4-carboxylate 1428259-69-1 C17H23BrF2N2O3
    (2R,4R,5R)-methyl 5-(bromodifluoromethyl)-1-(4-methoxyphenyl)-2-butylimidazolidine-4-carboxylate
    —— 2-amino-1,6-dihydro-4-methyl-6-(3-nitrophenyl)-1-(phenylsulfonyl)-5-pyrimidinecarboxylic acid ethyl ester 119144-83-1 C20H20N4O6S
    2-amino-1,6-dihydro-4-methyl-6-(3-nitrophenyl)-1-(phenylsulfonyl)-5-pyrimidinecarboxylic acid ethyl ester
    —— 2-(4'-methyl-biphenyl-2-yl)-1,3-dioxolane 183478-74-2 C16H16O2
    2-(4'-methyl-biphenyl-2-yl)-1,3-dioxolane
    —— 2-(tert-butyl)-4-methylquinazoline 6141-08-8 C13H16N2
    2-(tert-butyl)-4-methylquinazoline
    —— 2,3-dibromo-3-bromomethyl-pentane 855361-06-7 C6H11Br3
    2,3-dibromo-3-bromomethyl-pentane
    —— 2-Phenyl-2-(tetrahydro-pyran-2-yloxy)-pent-4-ynenitrile 681124-00-5 C16H17NO2
    2-Phenyl-2-(tetrahydro-pyran-2-yloxy)-pent-4-ynenitrile
    —— 2-(6-benzyloxy-benzoimidazol-1-yl)-4-(3-chloro-phenyl)-thiazole-5-carboxylic acid amide 1232234-83-1 C24H17ClN4O2S
    2-(6-benzyloxy-benzoimidazol-1-yl)-4-(3-chloro-phenyl)-thiazole-5-carboxylic acid amide
    —— ((2R,3S,4R,5R,6R)-5-amino-6-(benzyloxy)-3-((diphenoxyphosphoryl)oxy)-4-(phenylmethoxy-d2)tetrahydro-2H-pyran-2-yl)methyl acetate hydrochloride 106139-09-7 C34H36NO9P*ClH
    ((2R,3S,4R,5R,6R)-5-amino-6-(benzyloxy)-3-((diphenoxyphosphoryl)oxy)-4-(phenylmethoxy-d2)tetrahydro-2H-pyran-2-yl)methyl acetate hydrochloride
    —— 2-[1-(2,5-dichloro-benzenesulfonyl)-piperidin-3-yl]-N-piperidin-1-yl-acetamide 1040879-58-0 C18H25Cl2N3O3S
    2-[1-(2,5-dichloro-benzenesulfonyl)-piperidin-3-yl]-N-piperidin-1-yl-acetamide
    —— 2-Benzoyl-1-hydroxyindol-3-carbonitril 29202-75-3 C16H10N2O2
    2-Benzoyl-1-hydroxyindol-3-carbonitril
    —— 2,6-Adamantandion-1,5-dicarbonsaeurechlorid 41585-37-9 C12H10Cl2O4
    2,6-Adamantandion-1,5-dicarbonsaeurechlorid