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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,9-di(4-methylphenyl)-2,7-diphenylpyridazino[4,5-g]phthalazine-1,6-dione 1429225-67-1 C36H26N4O2
    4,9-di(4-methylphenyl)-2,7-diphenylpyridazino[4,5-g]phthalazine-1,6-dione
    —— 4-Methoxy-benzoic acid 2-tert-butylsulfanylcarbonyl-ethyl ester 58228-88-9 C15H20O4S
    4-Methoxy-benzoic acid 2-tert-butylsulfanylcarbonyl-ethyl ester
    —— (4S,5S)-5-({(S)-1-[2-({[((S)-tert-Butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-oxo-ethylcarbamoyl]-2-cyclopropyl-ethylcarbamoyl}-methyl)-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester 881902-40-5 C45H67N5O10
    (4S,5S)-5-({(S)-1-[2-({[((S)-tert-Butoxycarbonyl-phenyl-methyl)-carbamoyl]-methyl}-carbamoyl)-1-cyclopropylmethyl-2-oxo-ethylcarbamoyl]-2-cyclopropyl-ethylcarbamoyl}-methyl)-4-cyclohexyl-2,2-dimethyl-oxazolidine-3-carboxylic acid isobutyl ester
    —— 4-hydroxyethylidene-4,5,6,7-tetrahydrobenzo<b>thiophene 273929-70-7 C10H12OS
    4-hydroxyethylidene-4,5,6,7-tetrahydrobenzo<b>thiophene
    —— 4-(1-Methoxyvinyl)-1-methoxycyclohexan 24159-53-3 C10H18O2
    4-(1-Methoxyvinyl)-1-methoxycyclohexan
    —— 4,5-Dinitro-2,7-dipropyl-biphenylene-1,8-diol 130156-80-8 C18H18N2O6
    4,5-Dinitro-2,7-dipropyl-biphenylene-1,8-diol
    —— 4<i>c</i>'-(2-cyano-phenyl)-(3b<i>r</i>,5a<i>c</i>)-3b,4,5,5a-tetrahydro-cyclobuta[3,4]naphtho[1,2-<i>c</i>][1,2,5]oxadiazole-5<i>r</i>'-carbonitrile 51369-73-4 C20H12N4O
    4<i>c</i>'-(2-cyano-phenyl)-(3b<i>r</i>,5a<i>c</i>)-3b,4,5,5a-tetrahydro-cyclobuta[3,4]naphtho[1,2-<i>c</i>][1,2,5]oxadiazole-5<i>r</i>'-carbonitrile
    —— 4-(1-(3-(tert-butyldimethylsilyloxy)propyl)-1H-indol-3-yl)-5-(4-nitrophenyl)-1,2-dihydropyrazol-3-one 1403656-02-9 C26H32N4O4Si
    4-(1-(3-(tert-butyldimethylsilyloxy)propyl)-1H-indol-3-yl)-5-(4-nitrophenyl)-1,2-dihydropyrazol-3-one
    —— 4-bromo-N-((4-(isopropoxymethyl)-1H-1,2,3-triazol-5-yl)methyl)benzenesulfonamide 1226865-40-2 C13H17BrN4O3S
    4-bromo-N-((4-(isopropoxymethyl)-1H-1,2,3-triazol-5-yl)methyl)benzenesulfonamide
    —— 4-(5-methyl-2-furanyl)-5,5-pentamethylene-2(5H)-furanone 88312-46-3 C14H16O3
    4-(5-methyl-2-furanyl)-5,5-pentamethylene-2(5H)-furanone
    —— (4S,6S)-6-(3,4-Dichloro-phenyl)-4-hydroxy-piperidin-2-one 124082-45-7 C11H11Cl2NO2
    (4S,6S)-6-(3,4-Dichloro-phenyl)-4-hydroxy-piperidin-2-one
    —— 4-<4',6'-dimethoxynaphthalen-1'-yl>-1-methylsulfinylbutan-2-one 79900-83-7 C17H20O4S
    4-<4',6'-dimethoxynaphthalen-1'-yl>-1-methylsulfinylbutan-2-one
    —— (4,5-Diphenyl-1,3-oxazol-4-yl)-mercuracetate 6117-60-8 C17H13HgNO3
    (4,5-Diphenyl-1,3-oxazol-4-yl)-mercuracetate
    —— (4-methoxyphenyl-benzylidene)-carbamic acid methyl ester 124156-20-3 C10H11NO3
    (4-methoxyphenyl-benzylidene)-carbamic acid methyl ester
    —— 4-iodofurfural diethyl acetal 915040-89-0 C9H13IO3
    4-iodofurfural diethyl acetal
    —— 4-hydroxymethyl-10-methylacridin-9(10H)-one 1207460-18-1 C15H13NO2
    4-hydroxymethyl-10-methylacridin-9(10H)-one
    —— 4-{[1-(3,4,5-Trimethoxy-phenyl)-meth-(E)-ylidene]-amino}-1,3-dihydro-indol-2-one 86162-92-7 C18H18N2O4
    4-{[1-(3,4,5-Trimethoxy-phenyl)-meth-(E)-ylidene]-amino}-1,3-dihydro-indol-2-one
    —— (4S,5S)-1-(2-benzyloxy-3,4-dimethoxyphenacyl)-5-ethyl-2-oxo-4-piperidineacetic acid ethyl ester 56774-67-5 C28H35NO7
    (4S,5S)-1-(2-benzyloxy-3,4-dimethoxyphenacyl)-5-ethyl-2-oxo-4-piperidineacetic acid ethyl ester
    —— 4-<N-(Z)-4-tetrahydropyranyloxy-2-butenylbenzamido>butenoic acid 106542-21-6 C20H27NO5
    4-<N-(Z)-4-tetrahydropyranyloxy-2-butenylbenzamido>butenoic acid
    —— 4-Brom-1-amino-fluorenon-(9) 16149-47-6 C13H8BrNO
    4-Brom-1-amino-fluorenon-(9)
    —— 4,7-diethyl-2,2-dimethyl-1,3,2-benzothiaselenastannole 313343-59-8 C12H18SSeSn
    4,7-diethyl-2,2-dimethyl-1,3,2-benzothiaselenastannole
    —— 4-Dimethylamino-1-methyl-1,2,3,4-tetrahydrochinolin 19668-47-4 C12H18N2
    4-Dimethylamino-1-methyl-1,2,3,4-tetrahydrochinolin
    —— 4,5-dimethoxy-2-(di-n-propylamino)indan 83598-57-6 C17H27NO2
    4,5-dimethoxy-2-(di-n-propylamino)indan
    —— 4,7-diethyl-2,2-dimethyl-benzo[1,3,2]dithiastannole 174264-21-2 C12H18S2Sn
    4,7-diethyl-2,2-dimethyl-benzo[1,3,2]dithiastannole
    —— (4aS,8aS)-1-[1-Methoxy-meth-(Z)-ylidene]-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalene-2-carbaldehyde 76236-47-0 C16H24O2
    (4aS,8aS)-1-[1-Methoxy-meth-(Z)-ylidene]-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalene-2-carbaldehyde
    —— 4-{4-(trifluoromethyl)-1-[7-(trifluoromethyl)quinolin-3-yl]cyclohexyl}phenol 951671-69-5 C23H19F6NO
    4-{4-(trifluoromethyl)-1-[7-(trifluoromethyl)quinolin-3-yl]cyclohexyl}phenol
    —— (4aR,6S,7R,8S,8aR)-2-(4-methoxyphenyl)-6-(p-tolylthio)hexahydropyrano[3,2-d][1,3]dioxine-7,8-diyl dibenzoate 220645-80-7 C35H32O8S
    (4aR,6S,7R,8S,8aR)-2-(4-methoxyphenyl)-6-(p-tolylthio)hexahydropyrano[3,2-d][1,3]dioxine-7,8-diyl dibenzoate
    —— [4-amino-7-((2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbothioamide]-3',5'-(3-(hexadecyloxy)propyl)cyclic phosphate 1256339-20-4 C32H54N5O7PS
    [4-amino-7-((2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbothioamide]-3',5'-(3-(hexadecyloxy)propyl)cyclic phosphate
    —— 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(acetyloxy)[4,5,6,7-tetrahydro-5-(phenylmethyl)thieno[3,2-c]pyridin-2-yl]methyl]-6-bromo-7-oxo-, (4-nitrophenyl)methyl ester, (5R)- 623906-16-1 C30H26BrN3O7S2
    4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(acetyloxy)[4,5,6,7-tetrahydro-5-(phenylmethyl)thieno[3,2-c]pyridin-2-yl]methyl]-6-bromo-7-oxo-, (4-nitrophenyl)methyl ester, (5R)-
    —— 4-Hydroxy-5-(methoxycarbonyl-phenylsulfanyl-methyl)-2-methyl-6-oxo-6H-pyran-3-carboxylic acid methyl ester 154368-72-6 C17H16O7S
    4-Hydroxy-5-(methoxycarbonyl-phenylsulfanyl-methyl)-2-methyl-6-oxo-6H-pyran-3-carboxylic acid methyl ester
    —— 4,6-di(4-methylphenyl)-1H,9H[1,2]oxazino[4,5-g][2,3]benzoxazine-1,9-dione 1429225-61-5 C24H16N2O4
    4,6-di(4-methylphenyl)-1H,9H[1,2]oxazino[4,5-g][2,3]benzoxazine-1,9-dione
    —— 4-[2,4-bis-(4-ethoxycarbonimidoyl-benzyloxy)benzoylamino]-cyclohexyl-amine 1256595-13-7 C33H40N4O5
    4-[2,4-bis-(4-ethoxycarbonimidoyl-benzyloxy)benzoylamino]-cyclohexyl-amine
    —— 4-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-3-quinolinyl}-2-chloro-N-cyclopropylbenzamide 1366128-99-5 C31H24ClF2N5O4S
    4-{2-amino-6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-3-quinolinyl}-2-chloro-N-cyclopropylbenzamide
    —— 4-(2-Hydroxy-5-nitro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester 116324-81-3 C17H18N2O7
    4-(2-Hydroxy-5-nitro-phenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid dimethyl ester
    —— 4-acetamido-1-methyl-2-indoloylguanidine hydrochloride 178051-16-6 C13H15N5O2*ClH
    4-acetamido-1-methyl-2-indoloylguanidine hydrochloride
    —— 4,5-dimethylthiazol-2-yl lithium 122823-24-9 C5H6LiNS
    4,5-dimethylthiazol-2-yl lithium
    —— 4-methoxyphenyl 3-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->2)-3-O-[D7]benzyl-4,6-O-cyclohexylidene-β-D-glucopyranoside 1075708-75-6 C45H56O12
    4-methoxyphenyl 3-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->2)-3-O-[D7]benzyl-4,6-O-cyclohexylidene-β-D-glucopyranoside
    —— 4-(4'-nonyloxy-biphenyl-4-yl)-2-(4-propoxy-phenyl)-thiazole 73005-32-0 C33H39NO2S
    4-(4'-nonyloxy-biphenyl-4-yl)-2-(4-propoxy-phenyl)-thiazole
    —— 4,4-Dimethyl-5α,13α-androst-8-en-17α-ol 66537-85-7 C21H34O
    4,4-Dimethyl-5α,13α-androst-8-en-17α-ol
    —— 4-epifriedelan-3β,4α-diol 105370-96-5 C30H52O2
    4-epifriedelan-3β,4α-diol
    —— (4S,5S,9S,10S,11R,Z)-11-(tert-butyldimethylsilyloxy)-4,10-dimethyl-7-methylene-5,9-bis[(S)-1-phenylethoxy]tridec-2-en-3-yl benzoate 1172135-72-6 C45H64O5Si
    (4S,5S,9S,10S,11R,Z)-11-(tert-butyldimethylsilyloxy)-4,10-dimethyl-7-methylene-5,9-bis[(S)-1-phenylethoxy]tridec-2-en-3-yl benzoate
    —— 4,6-diacetoxymethyldibenzothiophene 1220052-02-7 C18H16O4S
    4,6-diacetoxymethyldibenzothiophene
    —— 4-(2-Amino-propyl)-[1,2]benzoquinone 84279-57-2 C9H11NO2
    4-(2-Amino-propyl)-[1,2]benzoquinone
    —— (4-acetoxy-3-chloro-5-methoxyphenyl)acetic acid 1258845-41-8 C11H11ClO5
    (4-acetoxy-3-chloro-5-methoxyphenyl)acetic acid
    —— 4-(3-fluoro-4-methoxyphenyl)-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one potassium salt 1239264-44-8 C30H24FN6O4*K
    4-(3-fluoro-4-methoxyphenyl)-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one potassium salt
    —— 4-(diethoxyphosphoryl)-3-[3-(4-fluorophenyl)-4,5-dihydroisoxazol-5-yl]-isoxazole 1201665-71-5 C16H18FN2O5P
    4-(diethoxyphosphoryl)-3-[3-(4-fluorophenyl)-4,5-dihydroisoxazol-5-yl]-isoxazole
    —— 4-chloro-<i>N</i>'-(3-trifluoromethyl-phenyl)-benzohydrazonoyl chloride 36590-55-3 C14H9Cl2F3N2
    4-chloro-<i>N</i>'-(3-trifluoromethyl-phenyl)-benzohydrazonoyl chloride
    —— 4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-thiazol-3-yl]-N-methoxy-N,2-dimethylbenzamide 1444174-71-3 C20H17Cl2F3N2O2S
    4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-thiazol-3-yl]-N-methoxy-N,2-dimethylbenzamide
    —— 4-deuterio-1,1,8-trimethylspiro[2.6]nona-6,8-dien-5-one 1400273-48-4 C12H16O
    4-deuterio-1,1,8-trimethylspiro[2.6]nona-6,8-dien-5-one
    —— 4-bromo-1-(4-bromophenacyl)-2-methyl-5-nitroimidazole 204444-55-3 C12H9Br2N3O3
    4-bromo-1-(4-bromophenacyl)-2-methyl-5-nitroimidazole