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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-5-methoxy-2-methoxycarbonyloxazole 23429-09-6 C7H9NO4
    4-methyl-5-methoxy-2-methoxycarbonyloxazole
    —— 4-[1-(2-methylbenzyl)-4-hydroxy-1H-indol-3-yl]-2-hydroxy-4-oxobut-2-enoic acid 1256350-97-6 C20H17NO5
    4-[1-(2-methylbenzyl)-4-hydroxy-1H-indol-3-yl]-2-hydroxy-4-oxobut-2-enoic acid
    —— [4-(2,4-dichlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]methanol 81321-62-2 C16H11Cl2FN2O
    [4-(2,4-dichlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]methanol
    —— 4-(Cyano-hydroxy-methyl-methyl)-benzonitrile 69813-76-9 C10H8N2O
    4-(Cyano-hydroxy-methyl-methyl)-benzonitrile
    —— [4-(4-Benzoyl-2-fluoro-5-hydroxyphenyl)sulfanylphenyl]-bis(4-fluorophenyl)sulfanium;trifluoromethanesulfonate 1294007-12-7 CF3O3S*C31H20F3O2S2
    [4-(4-Benzoyl-2-fluoro-5-hydroxyphenyl)sulfanylphenyl]-bis(4-fluorophenyl)sulfanium;trifluoromethanesulfonate
    —— 4-(2,3,5-tri-O-benzoyl-ss-D-ribofuranosyl)-s-triazolo<2,3-a>pyrimid-7-on 32817-08-6 C31H24N4O8
    4-(2,3,5-tri-O-benzoyl-ss-D-ribofuranosyl)-s-triazolo<2,3-a>pyrimid-7-on
    —— 4-Butyloxy-3-chlor-1-(4-amino-benzolsulfonylamino)-benzol 93026-25-6 C16H19ClN2O3S
    4-Butyloxy-3-chlor-1-(4-amino-benzolsulfonylamino)-benzol
    —— 4-benzoyl-5-bromo-1H-1,2,3-triazole 94565-10-3 C9H6BrN3O
    4-benzoyl-5-bromo-1H-1,2,3-triazole
    —— 4,5-dimethoxy-2-(4-nitro-phenylazo)-aniline 107682-25-7 C14H14N4O4
    4,5-dimethoxy-2-(4-nitro-phenylazo)-aniline
    —— 4-(3,5-Dimethylphenyl)-2,1,3-benzoxadiazole 871510-82-6 C14H12N2O
    4-(3,5-Dimethylphenyl)-2,1,3-benzoxadiazole
    —— 4-nitro-1-oxido-N-(3-pyrrolidin-1-ylpropyl)pyridin-1-ium-3-amine 600725-31-3 C12H18N4O3
    4-nitro-1-oxido-N-(3-pyrrolidin-1-ylpropyl)pyridin-1-ium-3-amine
    —— 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-N-1H-imidazol-2-ylbenzamide 1620674-91-0 C24H24N8O2
    4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-N-1H-imidazol-2-ylbenzamide
    —— 4,4a-dihydro-4',5'-diphenylspiro<3H,10H-pyrano<4,3-b><1>benzopyran-3,2'-<1,3>dioxolan>-10-one 138886-49-4 C26H20O5
    4,4a-dihydro-4',5'-diphenylspiro<3H,10H-pyrano<4,3-b><1>benzopyran-3,2'-<1,3>dioxolan>-10-one
    —— 4,6-Dibromo-cyclohepta-2,7-diene-1,2-dicarboxylic acid dimethyl ester 68326-68-1 C11H12Br2O4
    4,6-Dibromo-cyclohepta-2,7-diene-1,2-dicarboxylic acid dimethyl ester
    —— 4,5-dimethyl-2-propan-2-yl-8H-pyrido[2,3-d]pyrimidin-7-one 83410-31-5 C12H15N3O
    4,5-dimethyl-2-propan-2-yl-8H-pyrido[2,3-d]pyrimidin-7-one
    —— 4,5,5-Trimethyl-1-phenyl-hexane-2,4-diol 59486-55-4 C15H24O2
    4,5,5-Trimethyl-1-phenyl-hexane-2,4-diol
    —— 4-chloro-N,N-diphenylbutanamide 52850-19-8 C16H16ClNO
    4-chloro-N,N-diphenylbutanamide
    —— 4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine 2,4,6-trimethylbenzyl ester 80977-18-0 C37H43N3O6
    4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine 2,4,6-trimethylbenzyl ester
    —— 4-cyclopropyl-morpholine-3-carboxamide 1204651-60-4 C8H14N2O2
    4-cyclopropyl-morpholine-3-carboxamide
    —— (4-phenylcyclohexyl)(3-(quinolin-2-yl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)methanone 1338373-08-2 C27H27N5O
    (4-phenylcyclohexyl)(3-(quinolin-2-yl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)methanone
    —— (4-methoxyphenyl)(1-methyl-1H-imidazol-2-yl)methanamine dihydrochloride 2138187-32-1 C12H17Cl2N3O
    (4-methoxyphenyl)(1-methyl-1H-imidazol-2-yl)methanamine dihydrochloride
    —— 4-amino-3-(α-thenoylvinylthio)-5-phenyl-1,2,4-triazole 121033-65-6 C15H12N4OS2
    4-amino-3-(α-thenoylvinylthio)-5-phenyl-1,2,4-triazole
    —— 4-(3-Hydroxy-propyl)-[1,3,2]dioxaborolan-2-ol 51034-16-3 C5H11BO4
    4-(3-Hydroxy-propyl)-[1,3,2]dioxaborolan-2-ol
    —— (4Z)-9-[(1-Naphthyl)sulfonamido]-7,7-tetramethylene-4-nonenoic acid sodium salt 154678-50-9 C23H28NO4S*Na
    (4Z)-9-[(1-Naphthyl)sulfonamido]-7,7-tetramethylene-4-nonenoic acid sodium salt
    —— 4-{[(1e)-(3,5-Dinitro-2-hydroxy-phenyl)-methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1h-pyrazol-3-one 352332-70-8 C18H15N5O6
    4-{[(1e)-(3,5-Dinitro-2-hydroxy-phenyl)-methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1h-pyrazol-3-one
    —— 4'-chloro-ω-<4-(2,6-dimethylpyrimidinyl)thio>-acetophenone 87273-13-0 C14H13ClN2OS
    4'-chloro-ω-<4-(2,6-dimethylpyrimidinyl)thio>-acetophenone
    —— 4-amino-1-ethyl-1H-imidazole-5-carboxamide perchlorate 115377-72-5 C6H10N4O*ClHO4
    4-amino-1-ethyl-1H-imidazole-5-carboxamide perchlorate
    —— (4,5-diazafluoren-9-one-N(4),N(5))bis(O-ethyl dithiocarbonato-S,S')nickel(II) 175447-53-7 C17H16N2NiO3S4
    (4,5-diazafluoren-9-one-N(4),N(5))bis(O-ethyl dithiocarbonato-S,S')nickel(II)
    —— [4-(1,4-Dioxido-1,2,4-benzotriazine-3-yl)butyl]-1,4-butanediamine hydrochloride 1073136-57-8 C11H15N5O2*ClH
    [4-(1,4-Dioxido-1,2,4-benzotriazine-3-yl)butyl]-1,4-butanediamine hydrochloride
    —— 4-Bromo-13,15-dimethyl-8-oxa-13,15,18-triazatetracyclo[8.8.0.02,7.012,17]octadeca-1(18),2(7),3,5,10,12(17)-hexaene-14,16-dione 1258979-62-2 C16H12BrN3O3
    4-Bromo-13,15-dimethyl-8-oxa-13,15,18-triazatetracyclo[8.8.0.02,7.012,17]octadeca-1(18),2(7),3,5,10,12(17)-hexaene-14,16-dione
    —— 4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-(3-methoxybenzyl)piperidine hydrochloride 130374-27-5 C28H27NO*ClH
    4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-(3-methoxybenzyl)piperidine hydrochloride
    —— 4-nitro-2-(triisopropylsilyloxy)toluene 1643447-97-5 C16H27NO3Si
    4-nitro-2-(triisopropylsilyloxy)toluene
    —— 4,4'-Azoxyphenol-bis-vinylether 13595-00-1 C16H14N2O3
    4,4'-Azoxyphenol-bis-vinylether
    —— 4-(dimethylamino)-1-(dimethylphosphaneyl)pyridin-1-ium trifluoromethanesulfonate 952135-20-5 CF3O3S*C9H16N2P
    4-(dimethylamino)-1-(dimethylphosphaneyl)pyridin-1-ium trifluoromethanesulfonate
    —— 4,4-dimethyl-3-dimethylamino-1-phenylhex-5-en-1-yne 38846-08-1 C16H21N
    4,4-dimethyl-3-dimethylamino-1-phenylhex-5-en-1-yne
    —— 4,4'-methylene-N,N'-di(1,4-phenylene)bis[N''-(2,3,4,5,6-penta-O-acetyl-1-deoxy-D-glucitol-1-yl)urea] 1056030-15-9 C47H60N4O22
    4,4'-methylene-N,N'-di(1,4-phenylene)bis[N''-(2,3,4,5,6-penta-O-acetyl-1-deoxy-D-glucitol-1-yl)urea]
    —— (4R)-4,5-dihydro-2-{2'-[(S)-tert-butylsulfinamido]phenyl}-4-isobutyloxazole 1340477-04-4 C17H26N2O2S
    (4R)-4,5-dihydro-2-{2'-[(S)-tert-butylsulfinamido]phenyl}-4-isobutyloxazole
    —— 4-{4-[3-(2-amino-4-methyl-6-oxo-1,6-dihydro-pyrimidin-5-yl)-propylamino]-benzoylamino}-butyric acid 2499-36-7 C19H25N5O4
    4-{4-[3-(2-amino-4-methyl-6-oxo-1,6-dihydro-pyrimidin-5-yl)-propylamino]-benzoylamino}-butyric acid
    —— 4-phenyl-6-(2-pyridyl)-2(1H)-pyridinone 220482-78-0 C16H12N2O
    4-phenyl-6-(2-pyridyl)-2(1H)-pyridinone
    —— 4-chlorocarbonyl-1-hydroxy-naphthalene-2-diazonium-betaine 110533-84-1 C11H5ClN2O2
    4-chlorocarbonyl-1-hydroxy-naphthalene-2-diazonium-betaine
    —— 4-Piperidinecarbonitrile, 1,3-dimethyl-4-(4-pyridinyl)-, trans- 141446-56-2 C13H17N3
    4-Piperidinecarbonitrile, 1,3-dimethyl-4-(4-pyridinyl)-, trans-
    —— (4S,4'R,5R)-5-[3-(benzyloxy)prop-1-en-2-yl]-2,2,2',2'-tetramethyl-4,4'-bi(1,3-dioxolane) 1605289-87-9 C20H28O5
    (4S,4'R,5R)-5-[3-(benzyloxy)prop-1-en-2-yl]-2,2,2',2'-tetramethyl-4,4'-bi(1,3-dioxolane)
    —— [4-(1-Hydroxy-hexyl)-phenyl]-acetic acid methyl ester 1026849-09-1 C15H22O3
    [4-(1-Hydroxy-hexyl)-phenyl]-acetic acid methyl ester
    —— 4-(1-propoxy-ethoxy)-butan-2-one 25368-67-6 C9H18O3
    4-(1-propoxy-ethoxy)-butan-2-one
    —— 45-nitro-8,12-dithia-2,6-diaza-1,7(1,2),4(1,3)-tribenzenacyclododecaphane 862379-87-1 C23H23N3O2S2
    45-nitro-8,12-dithia-2,6-diaza-1,7(1,2),4(1,3)-tribenzenacyclododecaphane
    —— 4-(1,3-Benzothiazol-2-yldiazenyl)-2-[[5-hydroxy-2-[(2-nitrophenyl)diazenyl]phenyl]iminomethyl]phenol 951741-82-5 C26H17N7O4S
    4-(1,3-Benzothiazol-2-yldiazenyl)-2-[[5-hydroxy-2-[(2-nitrophenyl)diazenyl]phenyl]iminomethyl]phenol
    —— 4-Chloro-7-((1S,4R)-4-methoxy-cyclopent-2-enyl)-7H-pyrrolo[2,3-d]pyrimidine 213121-24-5 C12H12ClN3O
    4-Chloro-7-((1S,4R)-4-methoxy-cyclopent-2-enyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— (4aS,7R,8S)-8-Bromo-7-hydroxy-7-isopropyl-1,4a-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one 83093-34-9 C15H23BrO2
    (4aS,7R,8S)-8-Bromo-7-hydroxy-7-isopropyl-1,4a-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
    —— 4-[[4-[(4-chlorophenyl)methylideneamino]-1-(morpholin-4-ylmethyl)-5-sulfanylidene-1,2,4-triazol-3-yl]methyl]-1,4-benzothiazin-3-one 1335016-39-1 C23H23ClN6O2S2
    4-[[4-[(4-chlorophenyl)methylideneamino]-1-(morpholin-4-ylmethyl)-5-sulfanylidene-1,2,4-triazol-3-yl]methyl]-1,4-benzothiazin-3-one
    —— (4R,5S)-1,5-dimethyl-3-[(2S,3R)-3-methylaziridine-2-carbonyl]-4-phenylimidazolidin-2-one 183074-26-2 C15H19N3O2
    (4R,5S)-1,5-dimethyl-3-[(2S,3R)-3-methylaziridine-2-carbonyl]-4-phenylimidazolidin-2-one