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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methoxy-2-acetyl-3-phenyl-1,4-benzodioxan 33611-29-9 C17H16O4
    2-Methoxy-2-acetyl-3-phenyl-1,4-benzodioxan
    —— 2-(2-Thienyl)-4-hydroxy-5-(5-nitro-2-thienyl)-2,4-pentadiensaeure-γ-lacton 21403-22-5 C13H7NO4S2
    2-(2-Thienyl)-4-hydroxy-5-(5-nitro-2-thienyl)-2,4-pentadiensaeure-γ-lacton
    —— 2-Hydroxy-cyclohexanon-(1)-methyl-phenylhydrazon 24347-48-6 C13H18N2O
    2-Hydroxy-cyclohexanon-(1)-methyl-phenylhydrazon
    —— 2-Acetylamino-2-cyano-6-phenyl-hexanoic acid ethyl ester 36061-03-7 C17H22N2O3
    2-Acetylamino-2-cyano-6-phenyl-hexanoic acid ethyl ester
    —— 2-Methyl-5-(p-ethyl-phenyl)-penten-(3)-ol-(2)-on-(5) 22183-97-7 C14H18O2
    2-Methyl-5-(p-ethyl-phenyl)-penten-(3)-ol-(2)-on-(5)
    —— 2,2,3,3,4,4,4-Heptafluoro-dithiobutyric acid benzyl ester 200337-13-9 C11H7F7S2
    2,2,3,3,4,4,4-Heptafluoro-dithiobutyric acid benzyl ester
    —— 2-Thiophenecarboxylic acid, 4-amino-5-chloro-, ethyl ester 1956335-34-4 C7H8ClNO2S
    2-Thiophenecarboxylic acid, 4-amino-5-chloro-, ethyl ester
    —— 2-((4-nitrobenzyl)thio)thiazol-4(5H)-one 1433720-89-8 C10H8N2O3S2
    2-((4-nitrobenzyl)thio)thiazol-4(5H)-one
    —— 2-(quinol-2'-yl)-9,9'-spirobifluorene 1174660-90-2 C34H21N
    2-(quinol-2'-yl)-9,9'-spirobifluorene
    —— 2,3-dimethyl-5,6-dihydro-1<i>H</i>-cyclopenta[<i>b</i>]pyrrol-4-one 30256-66-7 C9H11NO
    2,3-dimethyl-5,6-dihydro-1<i>H</i>-cyclopenta[<i>b</i>]pyrrol-4-one
    —— 2-(3,4-dichloro-benzylamino)-<i>D</i>-2-deoxy-mannose; hydrochloride 18391-03-2 C13H17Cl2NO5*ClH
    2-(3,4-dichloro-benzylamino)-<i>D</i>-2-deoxy-mannose; hydrochloride
    —— (2,2-Bis-ethylsulfanyl-ethyl)-triethyl-stannane 54948-41-3 C12H28S2Sn
    (2,2-Bis-ethylsulfanyl-ethyl)-triethyl-stannane
    —— 2,6-Dimethoxy-3-methyl-5-t-butylphenol 52244-31-2 C13H20O3
    2,6-Dimethoxy-3-methyl-5-t-butylphenol
    —— 2-Ethoxy-5-methyl-benzo[1,3,2]dithiastibole 51525-69-0 C9H11OS2Sb
    2-Ethoxy-5-methyl-benzo[1,3,2]dithiastibole
    —— 2-<4-(4-Phenyl-styryl)-phenyl>-benzo<b>thiophen 22786-10-3 C28H20S
    2-<4-(4-Phenyl-styryl)-phenyl>-benzo<b>thiophen
    —— 2-<ω-Naphthyl-(2)-styryl-(4)>-benzo<b>furan 22841-38-9 C26H18O
    2-<ω-Naphthyl-(2)-styryl-(4)>-benzo<b>furan
    —— 2-<4-(4-Chlor-styryl)-phenyl>-benzo<b>thiophen 22786-19-2 C22H15ClS
    2-<4-(4-Chlor-styryl)-phenyl>-benzo<b>thiophen
    —— 2-<2-(1,3-Dihydroxy)-propyloxy>-2(R)-ethanol 35665-65-7 C11H16O4
    2-<2-(1,3-Dihydroxy)-propyloxy>-2(R)-ethanol
    —— 2-Methylmercapto-1-methyl-3-(2-nitrophenylmercapto)-1,4,5,6-tetrahydropyridin 25516-55-6 C13H16N2O2S2
    2-Methylmercapto-1-methyl-3-(2-nitrophenylmercapto)-1,4,5,6-tetrahydropyridin
    —— 2,6-Bis-(3-hydroxy-chinolyl-2)-1,3,5,7-tetraoxo-1,2,3,5,6,7-hexahydro-symm.-indacen 58130-75-9 C30H16N2O6
    2,6-Bis-(3-hydroxy-chinolyl-2)-1,3,5,7-tetraoxo-1,2,3,5,6,7-hexahydro-symm.-indacen
    —— 2-<4-Phenyl-butadien-(1,3)-yl>-3-(o-tolyl)-chinazolon-(4) 47571-74-4 C25H20N2O
    2-<4-Phenyl-butadien-(1,3)-yl>-3-(o-tolyl)-chinazolon-(4)
    —— 2-Methyl-acrylic acid 4-(3,4-dihydro-2H-quinolin-1-yl)-but-2-ynyl ester 25162-99-6 C17H19NO2
    2-Methyl-acrylic acid 4-(3,4-dihydro-2H-quinolin-1-yl)-but-2-ynyl ester
    —— 2-Imino-1,3-dimethyl-benzimidazolin-5-sulfonsaeure 24134-68-7 C9H11N3O3S
    2-Imino-1,3-dimethyl-benzimidazolin-5-sulfonsaeure
    —— 2-Ethyl-6-phenyl-azobenzol 29268-80-2 C20H18N2
    2-Ethyl-6-phenyl-azobenzol
    —— 2-[(Z)-2-Cyano-2-(4-methoxy-phenyl)-vinyl]-benzoic acid 26926-16-9 C17H13NO3
    2-[(Z)-2-Cyano-2-(4-methoxy-phenyl)-vinyl]-benzoic acid
    —— 2-((2R,3R,4R,5R,6S)-2-Acetoxymethyl-5-acetylamino-6-benzyloxy-3-chloro-tetrahydro-pyran-4-yloxy)-propionic acid methyl ester 40269-11-2 C21H28ClNO8
    2-((2R,3R,4R,5R,6S)-2-Acetoxymethyl-5-acetylamino-6-benzyloxy-3-chloro-tetrahydro-pyran-4-yloxy)-propionic acid methyl ester
    —— 2-(4-Nitro-benzoylamino)-pentanedioic acid diisopropyl ester 86323-36-6 C18H24N2O7
    2-(4-Nitro-benzoylamino)-pentanedioic acid diisopropyl ester
    —— 2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl-(1→5)-methyl [methyl 3-deoxy-4-O-(4-methoxybenzyl)-7,8-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-α-D-manno-oct-2-ulopyranosid]onate 1610692-58-4 C64H86O15Si2
    2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl-(1→5)-methyl [methyl 3-deoxy-4-O-(4-methoxybenzyl)-7,8-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-α-D-manno-oct-2-ulopyranosid]onate
    —— 2-<<(dimethylamino)methylidene>amino>-7-<5-O-(4-methoxytrityl)-2-O-<tris(1-methylethyl)silyl>-β-D-ribofuranosyl>-3H-pyrrolo<2,3-d>pyrimidin-4(7H)-one 151072-88-7 C43H55N5O6Si
    2-<<(dimethylamino)methylidene>amino>-7-<5-O-(4-methoxytrityl)-2-O-<tris(1-methylethyl)silyl>-β-D-ribofuranosyl>-3H-pyrrolo<2,3-d>pyrimidin-4(7H)-one
    —— 2-(3-(4-iodophenyl)-3-oxo-1-phenylpropyl)malononitrile 1221964-44-8 C18H13IN2O
    2-(3-(4-iodophenyl)-3-oxo-1-phenylpropyl)malononitrile
    —— (2R)-1-[3-[4-[(5-chloro-4-imidazo[1,2-a]pyridin-3-yl-pyrimidin-2-yl)amino]-3-methoxy-phenoxy]azetidin-1-yl]propan-2-ol 1224704-52-2 C24H25ClN6O3
    (2R)-1-[3-[4-[(5-chloro-4-imidazo[1,2-a]pyridin-3-yl-pyrimidin-2-yl)amino]-3-methoxy-phenoxy]azetidin-1-yl]propan-2-ol
    —— 2-(2,3-Dibromo-3,3-dichloro-propyl)-hexanoic acid 25457-33-4 C9H14Br2Cl2O2
    2-(2,3-Dibromo-3,3-dichloro-propyl)-hexanoic acid
    —— 2,ω-Bis-(N-ethylcarboxamido)-1,4-dithiafulven 27053-31-2 C10H14N2O2S2
    2,ω-Bis-(N-ethylcarboxamido)-1,4-dithiafulven
    —— (2R,4S)-3-[2-deuterio-2-(4-isobutylphenyl)propioyl]-4-phenyl-5,5-dideuterio-oxazolidin-2-one 1208610-49-4 C22H25NO3
    (2R,4S)-3-[2-deuterio-2-(4-isobutylphenyl)propioyl]-4-phenyl-5,5-dideuterio-oxazolidin-2-one
    —— 2-propen-1-yl {3-[2-(1,1-dimethylethyl)-5-(4-pyridinyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate 1307272-80-5 C22H22FN3O2S
    2-propen-1-yl {3-[2-(1,1-dimethylethyl)-5-(4-pyridinyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate
    —— 2,5-bis-(4-bromo-phenyl)-1,6,7-trimethyl-3,4-diaza-bicyclo[4.1.0]hepta-2,4-diene 27666-79-1 C20H18Br2N2
    2,5-bis-(4-bromo-phenyl)-1,6,7-trimethyl-3,4-diaza-bicyclo[4.1.0]hepta-2,4-diene
    —— 2-t-Butyliminotetrahydrofuran 29183-65-1 C8H15NO
    2-t-Butyliminotetrahydrofuran
    —— (2,2,2-Trichloro-1-hydroxy-ethyl)-carbamic acid hexyl ester 24535-20-4 C9H16Cl3NO3
    (2,2,2-Trichloro-1-hydroxy-ethyl)-carbamic acid hexyl ester
    —— 2,3,5-Trichloro-4-methylsulphonyl-6-pyrrolidinopyridin 35114-42-2 C10H11Cl3N2O2S
    2,3,5-Trichloro-4-methylsulphonyl-6-pyrrolidinopyridin
    —— 2-Acetyl-8-brom-3-ethoxycarbonyl-1,4,5,6,7-pentamethylporphin 23867-36-9 C30H29BrN4O3
    2-Acetyl-8-brom-3-ethoxycarbonyl-1,4,5,6,7-pentamethylporphin
    —— 2,4-Dinitro-phenol; compound with o-tolylamine 39194-22-4 C6H4N2O5*C7H9N
    2,4-Dinitro-phenol; compound with o-tolylamine
    —— 2-Acetamido-3,4-di-O-acetyl-2-deoxy-6-O-trityl-β-D-glucopyranosylamin 30854-70-7 C31H34N2O7
    2-Acetamido-3,4-di-O-acetyl-2-deoxy-6-O-trityl-β-D-glucopyranosylamin
    —— (2S,5R,10R,13S,17S)-2,17-Dihydroxy-10-hydroxymethyl-13-methyl-hexadecahydro-cyclopenta[a]phenanthren-3-one 35661-32-6 C19H30O4
    (2S,5R,10R,13S,17S)-2,17-Dihydroxy-10-hydroxymethyl-13-methyl-hexadecahydro-cyclopenta[a]phenanthren-3-one
    —— 2-Diphenylmethylenaminobenzo<d><1,3,2>dioxaborol 47289-02-1 C19H14BNO2
    2-Diphenylmethylenaminobenzo<d><1,3,2>dioxaborol
    —— 2-[2-(2-bromo-thiophen-3-yl)-ethyl]-furan 50710-64-0 C10H9BrOS
    2-[2-(2-bromo-thiophen-3-yl)-ethyl]-furan
    —— 2-(5-((1-(4-chlorophenyl)-3-methyl-1H-pyrazol-5-yl)methoxy)-2,3-dihydro-1H-inden-1-yl)propanoic acid 1224102-75-3 C23H23ClN2O3
    2-(5-((1-(4-chlorophenyl)-3-methyl-1H-pyrazol-5-yl)methoxy)-2,3-dihydro-1H-inden-1-yl)propanoic acid
    —— 2-methyl-11-(1-methyl-piperidin-3-yl)-6,11-dihydro-dibenzo[b,e]thiepin-11-ol 97254-84-7 C21H25NOS
    2-methyl-11-(1-methyl-piperidin-3-yl)-6,11-dihydro-dibenzo[b,e]thiepin-11-ol
    —— 2-[[(2-carboxyphenyl)hydrazinylidene]methyl]benzoic acid 304654-01-1 C15H12N2O4
    2-[[(2-carboxyphenyl)hydrazinylidene]methyl]benzoic acid
    —— 2,4-Bis-methoxycarbonyl-heptanedioic acid 7-methyl ester 36627-10-8 C12H18O8
    2,4-Bis-methoxycarbonyl-heptanedioic acid 7-methyl ester
    —— 2-cyano-2-(5-phenyl-1<i>H</i>-[1,2,3]triazol-4-ylhydrazono)-acetamide 39958-86-6 C11H9N7O
    2-cyano-2-(5-phenyl-1<i>H</i>-[1,2,3]triazol-4-ylhydrazono)-acetamide