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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-dimethyl-5-phenylpyrimidine 127588-22-1 C12H12N2
    2,4-dimethyl-5-phenylpyrimidine
    —— (22R,23S)-22,23-(dichloromethylene)-6β-methoxy-3α,5-cyclo-5α-cholestane 80227-06-1 C29H46Cl2O
    (22R,23S)-22,23-(dichloromethylene)-6β-methoxy-3α,5-cyclo-5α-cholestane
    —— 2',4'-di-O-acetyl-3,4''-bis(O-tert-butyldimethylsilyl)-3'-de(dimethylamino)-3'-hydroxydesmycosin 9,20-bis(ethylene acetal) 213543-97-6 C57H100O19Si2
    2',4'-di-O-acetyl-3,4''-bis(O-tert-butyldimethylsilyl)-3'-de(dimethylamino)-3'-hydroxydesmycosin 9,20-bis(ethylene acetal)
    —— (2S,3R,4R,6R)-3,4-bis(benzyloxy)-6-((benzyloxy)methyl)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-5,5-difluorotetrahydro-2H-pyran-2-ol 1369406-03-0 C42H41ClF2O6
    (2S,3R,4R,6R)-3,4-bis(benzyloxy)-6-((benzyloxy)methyl)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-5,5-difluorotetrahydro-2H-pyran-2-ol
    —— 2-[(2,4-dioxo-3-{[pyridin-2-ylmethylene]amino}imidazolidin-1-yl)(4-dimethylaminophenyl)methyl]hydrazinecarbothioamide 1281993-59-6 C19H22N8O2S
    2-[(2,4-dioxo-3-{[pyridin-2-ylmethylene]amino}imidazolidin-1-yl)(4-dimethylaminophenyl)methyl]hydrazinecarbothioamide
    —— 2-quinoxalinyl thiocyanate 21802-53-9 C9H5N3S
    2-quinoxalinyl thiocyanate
    —— 2-(1-(4-(4-(2-chlorobenzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-imidazol-1-yl)phenyl)ethylidene)hydrazinecarbothioamide 1394856-53-1 C20H18ClN5OS
    2-(1-(4-(4-(2-chlorobenzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-imidazol-1-yl)phenyl)ethylidene)hydrazinecarbothioamide
    —— 2-phenyl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine 1338580-87-2 C12H12N2S
    2-phenyl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]thiazine
    —— 2-Chlor-caprylsaeure-decylester 51203-59-9 C18H35ClO2
    2-Chlor-caprylsaeure-decylester
    —— (2S,3S,4S)-3,4-Bis-benzyloxy-hept-5-yne-1,2-diol 135346-68-8 C21H24O4
    (2S,3S,4S)-3,4-Bis-benzyloxy-hept-5-yne-1,2-diol
    —— 2,7-dioxapentacyclo<7.1.0.2<sup>3,6</sup>.2<sup>1,8</sup>.0<sup>6,8</sup>>tetradodecane 89043-87-8 C12H16O2
    2,7-dioxapentacyclo<7.1.0.2<sup>3,6</sup>.2<sup>1,8</sup>.0<sup>6,8</sup>>tetradodecane
    —— 2-methoxy-N-[(1R)-1,2,2-trimethylpropyl]acetamide 424824-68-0 C9H19NO2
    2-methoxy-N-[(1R)-1,2,2-trimethylpropyl]acetamide
    —— 2-fluoro-1-phenylvinyl tosylate 1262431-35-5 C15H13FO3S
    2-fluoro-1-phenylvinyl tosylate
    —— 2-benzothiazol-2-ylimino-3-ethyl-thiazolidin-4-one 18792-22-8 C12H11N3OS2
    2-benzothiazol-2-ylimino-3-ethyl-thiazolidin-4-one
    —— 2,2,5-trimethyl-6-hepten-3-one 78644-86-7 C10H18O
    2,2,5-trimethyl-6-hepten-3-one
    —— 2-Amino-4-(trifluoromethyl)pyridine-3-methanol 1228898-40-5 C7H7F3N2O
    2-Amino-4-(trifluoromethyl)pyridine-3-methanol
    —— (2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenylthio)ethyl)diphenylthiophosphine 1616961-46-6 C26H30BO2PS2
    (2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenylthio)ethyl)diphenylthiophosphine
    —— (2S,3a'S,4R,6'S,6a'R)-3a',6'-dihydroxy-4-methylhexahydro-2'H,5H-spiro[furan-2,3'-furo[3,2-b]furan]-2',5-dione 115494-41-2 C10H12O7
    (2S,3a'S,4R,6'S,6a'R)-3a',6'-dihydroxy-4-methylhexahydro-2'H,5H-spiro[furan-2,3'-furo[3,2-b]furan]-2',5-dione
    —— 2-(4-hydroxy-3,5-dimethoxyphenyl)-5-amino-1,3,4-thiadiazole 88742-91-0 C10H11N3O3S
    2-(4-hydroxy-3,5-dimethoxyphenyl)-5-amino-1,3,4-thiadiazole
    —— 2-chloro-3-ethynyl-1-azaazulene 943846-29-5 C11H6ClN
    2-chloro-3-ethynyl-1-azaazulene
    —— (2S,3S,4S,5R,6S)-6-((5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4-oxo-4H-chromen-3- yl)oxy)-5-hydroxy-2-propyltetrahydro-2H-pyran-3,4-diyl diacetate 1417412-10-2 C48H46O12
    (2S,3S,4S,5R,6S)-6-((5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4-oxo-4H-chromen-3- yl)oxy)-5-hydroxy-2-propyltetrahydro-2H-pyran-3,4-diyl diacetate
    —— 2-chloro-4-(2-methoxy-5-methyl-4-phenyl-4,5-dihydroimidazol-1-ylsulfonyl)benzenamine 1349808-13-4 C17H18ClN3O3S
    2-chloro-4-(2-methoxy-5-methyl-4-phenyl-4,5-dihydroimidazol-1-ylsulfonyl)benzenamine
    —— 2-Phenylhydrazino-1,3-diaza-azulen 109507-32-6 C14H12N4
    2-Phenylhydrazino-1,3-diaza-azulen
    —— 2-(3-chloro-4-methoxy-phenacyl)-octanoic acid 109156-80-1 C17H23ClO4
    2-(3-chloro-4-methoxy-phenacyl)-octanoic acid
    —— 2-(2-fluoro-phenyl)-2<i>H</i>-naphtho[1,2-<i>d</i>][1,2,3]triazole 1977-78-2 C16H10FN3
    2-(2-fluoro-phenyl)-2<i>H</i>-naphtho[1,2-<i>d</i>][1,2,3]triazole
    —— 22-acetyl-23-nor-5α-conan-3β-ol 106712-80-5 C23H37NO2
    22-acetyl-23-nor-5α-conan-3β-ol
    —— 2-[2-(hydroxyimino)ethylidene]-N'-nitrohydrazinecarboximidamide 1125393-87-4 C3H6N6O3
    2-[2-(hydroxyimino)ethylidene]-N'-nitrohydrazinecarboximidamide
    —— 2,6-Hexacosa-12,14-divinylen-4-pyridon 56857-83-1 C31H47NO
    2,6-Hexacosa-12,14-divinylen-4-pyridon
    —— 2'-benzylspiro[2,3-dihydro-1H-naphthalene-4,3'-isoindole]-1'-one 129574-22-7 C24H21NO
    2'-benzylspiro[2,3-dihydro-1H-naphthalene-4,3'-isoindole]-1'-one
    —— 2-Hydroxybenzimidoylacetamid-oxim 59899-09-1 C9H11N3O2
    2-Hydroxybenzimidoylacetamid-oxim
    —— 2,6-Dinitro-3-methoxycarbonyl-benzoesaeure 99066-87-2 C9H6N2O8
    2,6-Dinitro-3-methoxycarbonyl-benzoesaeure
    —— 2-Oxo-3,6-di-(3-acetylmercapto-propyl)-piperidin 106740-02-7 C15H25NO3S2
    2-Oxo-3,6-di-(3-acetylmercapto-propyl)-piperidin
    —— 2-Methyl-2-(2-hydroxy-2-propyl-pentyl)-1,3-dioxolan 100386-13-8 C12H24O3
    2-Methyl-2-(2-hydroxy-2-propyl-pentyl)-1,3-dioxolan
    —— 2-Methylthio-4-propionamido-5-propionoxymethyl-pyrimidin 105143-71-3 C12H17N3O3S
    2-Methylthio-4-propionamido-5-propionoxymethyl-pyrimidin
    —— 2-Ethoxy-2,3-diethoxycarbonyl-tetrahydrofuran 93044-11-2 C12H20O6
    2-Ethoxy-2,3-diethoxycarbonyl-tetrahydrofuran
    —— 2β,3β-dihydroxy-olean-12-ene-28,30-dioic acid dimethyl ester 75206-91-6 C32H50O6
    2β,3β-dihydroxy-olean-12-ene-28,30-dioic acid dimethyl ester
    —— 2-(N-Methyl-ureido-carbonyl)-chinolin 2884-88-0 C12H11N3O2
    2-(N-Methyl-ureido-carbonyl)-chinolin
    —— 2-Dimethylamino-2-phenyl-phenalene-1,3-dione 6916-39-8 C21H17NO2
    2-Dimethylamino-2-phenyl-phenalene-1,3-dione
    —— 2-Methyl-5,6-dihydro-4H-1,3a,6-triaza-as-indacene-8-carboxylic acid (2-fluoro-phenyl)-amide 398120-37-1 C17H15FN4O
    2-Methyl-5,6-dihydro-4H-1,3a,6-triaza-as-indacene-8-carboxylic acid (2-fluoro-phenyl)-amide
    —— (2R,3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-2-benzyloxymethyl-6-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-tetrahydro-pyran 121820-60-8 C44H52O6
    (2R,3R,4S,5R,6S)-3,4,5-Tris-benzyloxy-2-benzyloxymethyl-6-((E)-3,7-dimethyl-octa-2,6-dienyloxy)-tetrahydro-pyran
    —— 2-acetoxy-3-acetyl-4-hydroxy-4-(2-nitrophenyl)crotonic acid lactone 86539-01-7 C14H11NO7
    2-acetoxy-3-acetyl-4-hydroxy-4-(2-nitrophenyl)crotonic acid lactone
    —— (2S,3Z)-5-{[(2R,3R,5S,6S)-6-{(2E,4E)-5-[(3R,5S,7S)-7-{[(1H-imidazol-1-ylcarbonyl)amino]methyl}-1,6-dioxaspiro[2.5]oct-5-yl]-3-methylpenta-2,4-dien-1-yl}-2,5-dimethyltetrahydro-2H-pyran-3-yl]amino}-5-oxopent-3-en-2-yl acetate 1609107-48-3 C31H44N4O7
    (2S,3Z)-5-{[(2R,3R,5S,6S)-6-{(2E,4E)-5-[(3R,5S,7S)-7-{[(1H-imidazol-1-ylcarbonyl)amino]methyl}-1,6-dioxaspiro[2.5]oct-5-yl]-3-methylpenta-2,4-dien-1-yl}-2,5-dimethyltetrahydro-2H-pyran-3-yl]amino}-5-oxopent-3-en-2-yl acetate
    —— 2-(4-fluoro-2-methylphenyl)-3-indolylglyoxalyl chloride 77445-90-0 C17H11ClFNO2
    2-(4-fluoro-2-methylphenyl)-3-indolylglyoxalyl chloride
    —— 2-[4-Oxo-2-(3,4,5-trimethoxy-phenyl)-4H-quinazolin-3-yl]-3-phenyl-propionyl chloride 83409-29-4 C26H23ClN2O5
    2-[4-Oxo-2-(3,4,5-trimethoxy-phenyl)-4H-quinazolin-3-yl]-3-phenyl-propionyl chloride
    —— 2-Dibutylamino-4-methoxymethyl-<1,3,2λ<sup>3</sup>>dioxaphospholan 7114-52-5 C12H26NO3P
    2-Dibutylamino-4-methoxymethyl-<1,3,2λ<sup>3</sup>>dioxaphospholan
    —— 2,3-di-O-benzyl-4,6-O-benzylidene-1-(2-oxo-2-phenylethyl)-α-Dglucopyranose 1403351-19-8 C35H34O6
    2,3-di-O-benzyl-4,6-O-benzylidene-1-(2-oxo-2-phenylethyl)-α-Dglucopyranose
    —— 2,2'-(phenylmethanediyl)bis(1-hydroxy-3H-benzo[f]chromen-3-one) 18386-11-3 C33H20O6
    2,2'-(phenylmethanediyl)bis(1-hydroxy-3H-benzo[f]chromen-3-one)
    —— 2-octyl-piperidine-1-carbothioic acid anilide 112507-68-3 C20H32N2S
    2-octyl-piperidine-1-carbothioic acid anilide
    —— 2-[2-[4-[N,N-di(4-bromophenyl)amino]phenyl]ethenyl]3,4-ethylenedioxythiophen-5-al 1342894-98-7 C27H19Br2NO3S
    2-[2-[4-[N,N-di(4-bromophenyl)amino]phenyl]ethenyl]3,4-ethylenedioxythiophen-5-al
    —— (2R,3R,4S,5R,6R)-2,3,4,5-Tetramethoxy-6-(2-methoxy-ethoxymethoxymethyl)-tetrahydro-pyran 91898-27-0 C14H28O8
    (2R,3R,4S,5R,6R)-2,3,4,5-Tetramethoxy-6-(2-methoxy-ethoxymethoxymethyl)-tetrahydro-pyran