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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-acetoxyethylidene)-4-hydroxy-2,3-dioxobutyro-1,4-lactone 2-(o-nitrophenylhydrazone) 102691-10-1 C14H11N3O7
    4-(2-acetoxyethylidene)-4-hydroxy-2,3-dioxobutyro-1,4-lactone 2-(o-nitrophenylhydrazone)
    —— [(4R)-5,5-difluoro-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,6-dioxo-1,3-diazinan-4-yl] acetate 118967-85-4 C11H14F2N2O7
    [(4R)-5,5-difluoro-3-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,6-dioxo-1,3-diazinan-4-yl] acetate
    —— 4-Methoxycarbonyl-phenylcyanat 1131-91-5 C9H7NO3
    4-Methoxycarbonyl-phenylcyanat
    —— 4-Cyclohexyl-1-ethyl-4-methoxy-1-arsa-2,5-cyclohexadien 76782-97-3 C14H23AsO
    4-Cyclohexyl-1-ethyl-4-methoxy-1-arsa-2,5-cyclohexadien
    —— 4-(((6-methylpyridin-3-yl)carbonyl)amino)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxylic acid 906087-86-3 C16H18N4O4
    4-(((6-methylpyridin-3-yl)carbonyl)amino)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxylic acid
    —— (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-12-fluoro-5,6,7,8,14,14b-hexahydro-4,8-methanobenzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol hydrochloride 126580-39-0 C26H25FN2O3*ClH
    (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-12-fluoro-5,6,7,8,14,14b-hexahydro-4,8-methanobenzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol hydrochloride
    —— 4-<p-Chlor-benzolsulfonyl>-N-methylamino-1,3-dimethyl-benzol 17047-56-2 C15H16ClNO2S
    4-<p-Chlor-benzolsulfonyl>-N-methylamino-1,3-dimethyl-benzol
    —— 4-formyl-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-β-D-glucopyranoside 943451-01-2 C34H42O20
    4-formyl-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-β-D-glucopyranoside
    —— 4,4'-diamino-4''-methoxytriphenylamine 134248-82-1 C19H19N3O
    4,4'-diamino-4''-methoxytriphenylamine
    —— 4-(2-(3-(1-(4-(1,3-dioxoisoindolin-2-yl)butyl)-3,3-dimethyl-3H-indol-1-ium-2-yl)allylidene)-3,3-dimethylindolin-1-yl)butane-1-sulfonate 1422978-56-0 C39H43N3O5S
    4-(2-(3-(1-(4-(1,3-dioxoisoindolin-2-yl)butyl)-3,3-dimethyl-3H-indol-1-ium-2-yl)allylidene)-3,3-dimethylindolin-1-yl)butane-1-sulfonate
    —— 4-(2-(4-hydroxy-3-methoxybenzylidene)hydrazine-1-carbonyl)benzenesulfonamide 60846-64-2 C15H15N3O5S
    4-(2-(4-hydroxy-3-methoxybenzylidene)hydrazine-1-carbonyl)benzenesulfonamide
    —— 4-(2-Acetoxyethyliden)-4-hydroxy-2,3-dioxobutyro-1,4-lacton-2-(o-chlor-phenylhydrazon) 111205-86-8 C14H11ClN2O5
    4-(2-Acetoxyethyliden)-4-hydroxy-2,3-dioxobutyro-1,4-lacton-2-(o-chlor-phenylhydrazon)
    —— 4-<1,3,3-Trimethyl-pentyl>-phenylcyanat 1145-20-6 C15H21NO
    4-<1,3,3-Trimethyl-pentyl>-phenylcyanat
    —— 4-(5-benzoyl-4-hydroxy-2-methoxyphenylazo)-5-hydroxy-2,7-naphthalenedisulphonic acid 1237680-63-5 C24H18N2O10S2
    4-(5-benzoyl-4-hydroxy-2-methoxyphenylazo)-5-hydroxy-2,7-naphthalenedisulphonic acid
    —— 4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(2-methyl-benzyl)-imidazolium; bromide 35671-99-9 Br*C19H25N2O2
    4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(2-methyl-benzyl)-imidazolium; bromide
    —— 4-{4-[4-(diphenylamino)phenyl]-[1,2,5]thiadiazolo[3,4-c]pyridin-7-yl}benzaldehyde 1574571-92-8 C30H20N4OS
    4-{4-[4-(diphenylamino)phenyl]-[1,2,5]thiadiazolo[3,4-c]pyridin-7-yl}benzaldehyde
    —— 4,8-dimethyl-2-thiabicyclo[3.3.1]nonan-4-ol 86759-88-8 C10H18OS
    4,8-dimethyl-2-thiabicyclo[3.3.1]nonan-4-ol
    —— 4-(propargyloxycarbonylamino)-1-(2-deoxy-2,2-difluoro-5-O-[tert-butyl(dimethyl)silyl]-β-D-erythro-pentofuranosyl)pyrimidin-2(1H)-one 1613293-12-1 C19H27F2N3O6Si
    4-(propargyloxycarbonylamino)-1-(2-deoxy-2,2-difluoro-5-O-[tert-butyl(dimethyl)silyl]-β-D-erythro-pentofuranosyl)pyrimidin-2(1H)-one
    —— 4-((tert-butyldimethylsilyl)oxy)-2-(3,4,5-trimethoxyphenyl)cyclopent-2-en-1-one 631900-75-9 C20H30O5Si
    4-((tert-butyldimethylsilyl)oxy)-2-(3,4,5-trimethoxyphenyl)cyclopent-2-en-1-one
    —— 4-allyl-1-(4-bromobutoxy)-2-methoxybenzene 1446339-01-0 C14H19BrO2
    4-allyl-1-(4-bromobutoxy)-2-methoxybenzene
    —— 4α-ethyl-5α-cholest-1-en-3-one-(2,4-dinitro-phenylhydrazone) 117500-23-9 C35H52N4O4
    4α-ethyl-5α-cholest-1-en-3-one-(2,4-dinitro-phenylhydrazone)
    —— 4-([1,3]dithiane-2-yl)colchicine 1267993-69-0 C26H31NO6S2
    4-([1,3]dithiane-2-yl)colchicine
    —— 4''-O-(4-methoxybenzyl)carbamoyl erythromycin A 1253278-92-0 C46H76N2O15
    4''-O-(4-methoxybenzyl)carbamoyl erythromycin A
    —— [(4,5-dimethylphosphininyl-1κO,2κC(2))pentacarbonyltungsten](iodo)(((CH3)2NCH2)2)zinc 173675-70-2 C18H24IN2O5PWZn
    [(4,5-dimethylphosphininyl-1κO,2κC(2))pentacarbonyltungsten](iodo)(((CH3)2NCH2)2)zinc
    —— (4-methoxy-2-(tetrahydrofuran-2-yloxy)phenyl)(phenyl)methanone 1387576-73-9 C18H18O4
    (4-methoxy-2-(tetrahydrofuran-2-yloxy)phenyl)(phenyl)methanone
    —— 4,4'-Dimethyl-4,5,4',5'-tetrahydro-1<i>H</i>,1'<i>H</i>-[2,2']biimidazolyl 21786-87-8 C8H14N4
    4,4'-Dimethyl-4,5,4',5'-tetrahydro-1<i>H</i>,1'<i>H</i>-[2,2']biimidazolyl
    —— 4-acetyl-2-methyl zearalenone 119950-11-7 C21H26O6
    4-acetyl-2-methyl zearalenone
    —— [(4-methoxyphenyl)morpholinomethylene]tetracarbonyliron(0) 160491-37-2 C16H15FeNO6
    [(4-methoxyphenyl)morpholinomethylene]tetracarbonyliron(0)
    —— 4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(3-nitro-benzyl)-imidazolium; bromide 35672-02-7 Br*C18H22N3O4
    4-((3<i>R</i>)-4<i>c</i>-ethyl-5-oxo-tetrahydro-furan-3<i>r</i>-ylmethyl)-3-methyl-1-(3-nitro-benzyl)-imidazolium; bromide
    —— 4-chloro-1,3-bis(2,6-diisopropylphenyl)-1,3,2,4-diazadiphosphetidin-2-ium 1192179-83-1 C24H34ClN2P2
    4-chloro-1,3-bis(2,6-diisopropylphenyl)-1,3,2,4-diazadiphosphetidin-2-ium
    —— 4''-O-(propyl)carbamoyl erythromycin A 1253278-97-5 C41H74N2O14
    4''-O-(propyl)carbamoyl erythromycin A
    —— 4-[2]quinolyl-1-methyl-piperidine-4-carboxylic acid ethyl ester 101785-36-8 C18H22N2O2
    4-[2]quinolyl-1-methyl-piperidine-4-carboxylic acid ethyl ester
    —— 4-(3β,5,14-trihydroxy-21-morpholin-4-yl-19-oxo-(5β,14β)-24-nor-chol-20-en-23-oyl)-morpholine 108776-50-7 C31H48N2O7
    4-(3β,5,14-trihydroxy-21-morpholin-4-yl-19-oxo-(5β,14β)-24-nor-chol-20-en-23-oyl)-morpholine
    —— 4-(1-acetyl-3-4'-methylphenyl-2-pyrazolin-5-yl)phenol 1246618-04-1 C18H18N2O2
    4-(1-acetyl-3-4'-methylphenyl-2-pyrazolin-5-yl)phenol
    —— 4-Cyano-4-(3-cyclopentyloxy-4-methoxy-phenyl)-cyclohexanecarboxylic acid (2-cyano-ethyl)-amide 153260-01-6 C23H29N3O3
    4-Cyano-4-(3-cyclopentyloxy-4-methoxy-phenyl)-cyclohexanecarboxylic acid (2-cyano-ethyl)-amide
    —— 4-(2-tert-butoxycarbonylamino-3,3-dimethyl-butyryl)-1-methylcarbamoyl-octahydro-pyrrolo[3,2-b]pyrrole-3-carboxylic acid methyl ester 1257313-27-1 C21H36N4O6
    4-(2-tert-butoxycarbonylamino-3,3-dimethyl-butyryl)-1-methylcarbamoyl-octahydro-pyrrolo[3,2-b]pyrrole-3-carboxylic acid methyl ester
    —— 4-((3R)-4c-ethyl-5-oxo-tetrahydro-furan-3r-ylmethyl)-3-methyl-1-(4-methyl-benzyl)-imidazolium; bromide 35672-01-6 Br*C19H25N2O2
    4-((3R)-4c-ethyl-5-oxo-tetrahydro-furan-3r-ylmethyl)-3-methyl-1-(4-methyl-benzyl)-imidazolium; bromide
    —— 4-<(7-methoxy-3,7-dimethyloctylidene)amino>toluene 90058-69-8 C18H29NO
    4-<(7-methoxy-3,7-dimethyloctylidene)amino>toluene
    —— 4,10-dichloro-3l4,4l5,5l4,9l4,10l5,11l4-3l4,5l4,9l4,11l4-tetrathia-4l5,10l5-diarsa-1,7(1,4)-dinaphthalenacyclododecaphane-3,4,9,10-tetraene 956481-01-9 C24H20As2Cl2S4
    4,10-dichloro-3l4,4l5,5l4,9l4,10l5,11l4-3l4,5l4,9l4,11l4-tetrathia-4l5,10l5-diarsa-1,7(1,4)-dinaphthalenacyclododecaphane-3,4,9,10-tetraene
    —— [(4-chlorobenzyl)Co(N,N'-diphenylglyoximato)2(C5H5N)] 217814-33-0 C40H33ClCoN5O4
    [(4-chlorobenzyl)Co(N,N'-diphenylglyoximato)2(C5H5N)]
    —— [(4-bromophenyl-N,N-dimethylamino)methylene]tetracarbonyliron(0) 160491-39-4 C13H10BrFeNO4
    [(4-bromophenyl-N,N-dimethylamino)methylene]tetracarbonyliron(0)
    —— (4E,5E,15E,16E)-2,7,13,18-tetramethyl-21,23-didehydro-9H,11H,20H,22H-10,21-dioxa-1,8,12,19-tetraazaporphyrin 98006-29-2 C20H24N8O2
    (4E,5E,15E,16E)-2,7,13,18-tetramethyl-21,23-didehydro-9H,11H,20H,22H-10,21-dioxa-1,8,12,19-tetraazaporphyrin
    —— (-)-4-methoxy-14-hydroxy-6-keto-N-cyclopropylcarbonylmorphinan 81165-12-0 C21H25NO4
    (-)-4-methoxy-14-hydroxy-6-keto-N-cyclopropylcarbonylmorphinan
    —— 4-(1H-imidazo [4,5-f][1,10]-phenanthrolin-2-yl)-2-methoxyphenol 300357-18-0 C20H14N4O2
    4-(1H-imidazo [4,5-f][1,10]-phenanthrolin-2-yl)-2-methoxyphenol
    —— 4,4-dimethyl-4-nitro-1-phenyl-1-butene 79918-54-0 C12H15NO2
    4,4-dimethyl-4-nitro-1-phenyl-1-butene
    —— (4S,4aS,12aS)-4-amino-3,11,12a-trihydroxy-10-methoxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide 286961-84-0 C21H20N2O7
    (4S,4aS,12aS)-4-amino-3,11,12a-trihydroxy-10-methoxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
    —— 4-(2,3-dimethoxy-phenyl)-1-methyl-piperidine 858260-56-7 C14H21NO2
    4-(2,3-dimethoxy-phenyl)-1-methyl-piperidine
    —— 4-amino-1-(4-methoxybenzyl)-1,2,5,6-tetrahydropyridine-3-carbonitrile 1616963-23-5 C14H17N3O
    4-amino-1-(4-methoxybenzyl)-1,2,5,6-tetrahydropyridine-3-carbonitrile
    —— 4-(2-(5-(4-chlorophenyl)furan-2-yl)-1H-imidazol-1-yl)aniline 1620477-17-9 C19H14ClN3O
    4-(2-(5-(4-chlorophenyl)furan-2-yl)-1H-imidazol-1-yl)aniline
    —— 4β,5-dihydroxy-5β-cholestan-3-one 39766-55-7 C27H46O3
    4β,5-dihydroxy-5β-cholestan-3-one