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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,6-O-isopropylidene sucrose hexabenzoate 60825-19-6 C57H50O17
    4,6-O-isopropylidene sucrose hexabenzoate
    —— 4-(2'-benzyloxyethyl)-7a-ethyl-3-hydroxy-1,2,3,6,7,7a-hexahydroinden-5-one 274262-64-5 C20H26O3
    4-(2'-benzyloxyethyl)-7a-ethyl-3-hydroxy-1,2,3,6,7,7a-hexahydroinden-5-one
    —— 4-hydroxy-3-nitroso-1-phenyl-1,8-naphthyridin-2(1H)-one 154194-36-2 C14H9N3O3
    4-hydroxy-3-nitroso-1-phenyl-1,8-naphthyridin-2(1H)-one
    —— [4-(cyclohexyloxy)-1H-pyrazolo[4,3-c]pyridin-3-yl]acetonitrile 1367874-80-3 C14H16N4O
    [4-(cyclohexyloxy)-1H-pyrazolo[4,3-c]pyridin-3-yl]acetonitrile
    —— 4-Acetylamino-N-(6-methyl-pyridin-2-yl)-3-nitro-benzamide 89790-58-9 C15H14N4O4
    4-Acetylamino-N-(6-methyl-pyridin-2-yl)-3-nitro-benzamide
    —— 4-(2-amino-6-benzoxazolyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarbonitrile 1033770-01-2 C16H13N5O
    4-(2-amino-6-benzoxazolyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarbonitrile
    —— 4-amino-<i>N</i>-(2-oxo-1-propoxy-1,2-dihydro-pyrimidin-4-yl)-benzenesulfonamide 52942-12-8 C13H16N4O4S
    4-amino-<i>N</i>-(2-oxo-1-propoxy-1,2-dihydro-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-(2-oxo-6-(pyrrolidin-1-yl)-2H-1,3,5-oxadiazin-4-yl)piperazine-1-carbonitrile 1262517-27-0 C12H16N6O2
    4-(2-oxo-6-(pyrrolidin-1-yl)-2H-1,3,5-oxadiazin-4-yl)piperazine-1-carbonitrile
    —— 4-(2-carbazol-9-yl-ethyl)-N-hydroxybenzamide 1239034-66-2 C21H18N2O2
    4-(2-carbazol-9-yl-ethyl)-N-hydroxybenzamide
    —— 4-(N-CBZ-L-valyloxy)phenylacetic acid 238400-40-3 C21H23NO6
    4-(N-CBZ-L-valyloxy)phenylacetic acid
    —— 4-(Prop-2-yn-1-yl)oxan-4-ol 1258641-47-2 C8H12O2
    4-(Prop-2-yn-1-yl)oxan-4-ol
    —— 4-(1-methyl-1H-indol-3-yl)-N-propargylbutanamide 1062323-68-5 C16H18N2O
    4-(1-methyl-1H-indol-3-yl)-N-propargylbutanamide
    —— 4-ethoxy-N-(p-methoxybenzyl)-1,5,6,7-tetrahydroazepin-2-one 910248-53-2 C16H21NO3
    4-ethoxy-N-(p-methoxybenzyl)-1,5,6,7-tetrahydroazepin-2-one
    —— 4-(4-dimethylamino-phenyl)-6-naphtho[1,2-<i>d</i>]oxazol-2-yl-3,4-dihydro-1<i>H</i>-pyrimidine-2-thione 66062-07-5 C23H20N4OS
    4-(4-dimethylamino-phenyl)-6-naphtho[1,2-<i>d</i>]oxazol-2-yl-3,4-dihydro-1<i>H</i>-pyrimidine-2-thione
    —— 4-<(Benzthiazol-(2)-yl)-azo>-3-methyl-N,N-bis-<2-hydroxy-ethyl>-anilin 51277-87-3 C18H20N4O2S
    4-<(Benzthiazol-(2)-yl)-azo>-3-methyl-N,N-bis-<2-hydroxy-ethyl>-anilin
    —— 4-Methoxy-5-propyl-cyclopent-4-ene-1,3-dione 31707-76-3 C9H12O3
    4-Methoxy-5-propyl-cyclopent-4-ene-1,3-dione
    —— 4-tert.-Butyl-cyclopenten-(2)-ol-(2)-on-(1) 16492-88-9 C9H14O2
    4-tert.-Butyl-cyclopenten-(2)-ol-(2)-on-(1)
    —— 4,4-Difluoro-cyclopentane-1,2-dicarboxylic acid 156293-22-0 C7H8F2O4
    4,4-Difluoro-cyclopentane-1,2-dicarboxylic acid
    —— 4-bromo-3-butyl-6-nitrocinnoline 1416562-66-7 C12H12BrN3O2
    4-bromo-3-butyl-6-nitrocinnoline
    —— 4-N-butyl-1-(4-fluorophenyl)-5-(2-methoxyphenyl)-1H-1,2,3-triazole 1037412-77-3 C19H20FN3O
    4-N-butyl-1-(4-fluorophenyl)-5-(2-methoxyphenyl)-1H-1,2,3-triazole
    —— 4β-<2,6,6-trimethyl 5β-(4-acetoxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 3E-buten 2-one (2-acetoxyprenyl α-cis-ionone) 99647-27-5 C20H30O3
    4β-<2,6,6-trimethyl 5β-(4-acetoxy 3-methyl 2E-butenyl) 2-cyclohexenyl> 3E-buten 2-one (2-acetoxyprenyl α-cis-ionone)
    —— 4-[(E)-2-(2,6,6-Trimethyl-cyclohex-1-enyl)-vinyl]-benzonitrile 103499-86-1 C18H21N
    4-[(E)-2-(2,6,6-Trimethyl-cyclohex-1-enyl)-vinyl]-benzonitrile
    —— 4-methyl-2-phenyl-2H-pyridazino[4,5-b]indol-1(5H)-one 717139-18-9 C17H13N3O
    4-methyl-2-phenyl-2H-pyridazino[4,5-b]indol-1(5H)-one
    —— (4-[1,3]Dioxolan-2-yl-3-nitro-phenyl)-dimethyl-amine 109466-82-2 C11H14N2O4
    (4-[1,3]Dioxolan-2-yl-3-nitro-phenyl)-dimethyl-amine
    —— (4S)-2-(4-(methoxycarbonyl)-2-methylphenylimino)-4-isobutyl-1,3-thiazolidine 285125-03-3 C16H22N2O2S
    (4S)-2-(4-(methoxycarbonyl)-2-methylphenylimino)-4-isobutyl-1,3-thiazolidine
    —— 4,5-dichloro-1-isobutoxymethyl-2-trifluoromethyl-1<i>H</i>-imidazole 66911-30-6 C9H11Cl2F3N2O
    4,5-dichloro-1-isobutoxymethyl-2-trifluoromethyl-1<i>H</i>-imidazole
    —— 4,5,6,7,-Tetrahydro-1H-indazol-3-yl-phosphonsaeure-diethylester 93031-90-4 C11H19N2O3P
    4,5,6,7,-Tetrahydro-1H-indazol-3-yl-phosphonsaeure-diethylester
    —— 4-iodomethyl-4,5-dihydro-6-(p-nitrophenyl)thiazolo<2,3-c>-1,2,4-triazole hydroiodide 93378-72-4 C11H9IN4O2S*HI
    4-iodomethyl-4,5-dihydro-6-(p-nitrophenyl)thiazolo<2,3-c>-1,2,4-triazole hydroiodide
    —— (4ar,7ac,4'R)-4'-ethyl-1,5'-dioxo-octahydro-spiro[cyclopenta[c]pyran-7,2'-furan]-4t-carboxylic acid 109406-38-4 C14H18O6
    (4ar,7ac,4'R)-4'-ethyl-1,5'-dioxo-octahydro-spiro[cyclopenta[c]pyran-7,2'-furan]-4t-carboxylic acid
    —— 4-(2-methoxy-5-nitro-4-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)phenoxy)butanoic acid 1402231-61-1 C17H23NO8
    4-(2-methoxy-5-nitro-4-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)phenoxy)butanoic acid
    —— 4-[[15,30,31-Tris(pyridin-4-ylmethoxymethyl)-2,5,8,11,18,21,24,27-octaoxatricyclo[26.4.0.012,17]dotriaconta-1(28),12(17),13,15,29,31-hexaen-14-yl]methoxymethyl]pyridine 1263471-29-9 C52H60N4O12
    4-[[15,30,31-Tris(pyridin-4-ylmethoxymethyl)-2,5,8,11,18,21,24,27-octaoxatricyclo[26.4.0.012,17]dotriaconta-1(28),12(17),13,15,29,31-hexaen-14-yl]methoxymethyl]pyridine
    —— 4-((E)-3-Benzo[1,3]dithiol-2-ylidene-propenyl)-benzonitrile 121881-23-0 C17H11NS2
    4-((E)-3-Benzo[1,3]dithiol-2-ylidene-propenyl)-benzonitrile
    —— 4-(4-chlorooctafluorobutyl)-N,N-dimethylaniline 155085-88-4 C12H10ClF8N
    4-(4-chlorooctafluorobutyl)-N,N-dimethylaniline
    —— 4-<p-(dimethylamino)styryl>-1-<p-(triphenylphosphonio)phenacyl>quinolinium dibromide 78114-39-3 2Br*C45H39N2OP
    4-<p-(dimethylamino)styryl>-1-<p-(triphenylphosphonio)phenacyl>quinolinium dibromide
    —— (4-bromophenyl) 3-methylpiperazine-1-carboxylate 1184936-93-3 C12H15BrN2O2
    (4-bromophenyl) 3-methylpiperazine-1-carboxylate
    —— 4-Chloro-thiobenzoic acid S-(2-ethylsulfanyl-pyrazolo[1,5-a]pyridin-3-yl) ester 100592-56-1 C16H13ClN2OS2
    4-Chloro-thiobenzoic acid S-(2-ethylsulfanyl-pyrazolo[1,5-a]pyridin-3-yl) ester
    —— 4-(2-nitro-propenyl)-quinoline 69976-24-5 C12H10N2O2
    4-(2-nitro-propenyl)-quinoline
    —— 4-(4-bromo-2-fluoro-benzyl)-1-isopropyl-5-methyl-3-(6-O-methoxycarbonyl-β-D-glucopyranos-1-yloxy)-1H-pyrazole 922720-78-3 C22H28BrFN2O8
    4-(4-bromo-2-fluoro-benzyl)-1-isopropyl-5-methyl-3-(6-O-methoxycarbonyl-β-D-glucopyranos-1-yloxy)-1H-pyrazole
    —— 4-(but-3-en-1-yl)-7-fluoro-2H-chromen-2-one 1311403-65-2 C13H11FO2
    4-(but-3-en-1-yl)-7-fluoro-2H-chromen-2-one
    —— 4-methyl-1-(5-methyl-1(2)<i>H</i>-indazole-3-carbonyl)-piperidine 51941-95-8 C15H19N3O
    4-methyl-1-(5-methyl-1(2)<i>H</i>-indazole-3-carbonyl)-piperidine
    —— 4-Phenoxy-2-(2-(1H-pyrrol-1-yl)pyridine-4-carboxamido)benzoic acid 890314-89-3 C23H17N3O4
    4-Phenoxy-2-(2-(1H-pyrrol-1-yl)pyridine-4-carboxamido)benzoic acid
    —— 4-[(7-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-2,3-dihydro-4H-1,4-benzoxazin-4-yl)methyl]benzoic acid 1171132-16-3 C22H21ClN4O4
    4-[(7-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-2,3-dihydro-4H-1,4-benzoxazin-4-yl)methyl]benzoic acid
    —— 4-(4-Toluolsulfonyl)-1-benzyloxycarbonyl-piperazin 94309-74-7 C19H22N2O4S
    4-(4-Toluolsulfonyl)-1-benzyloxycarbonyl-piperazin
    —— 4-Chloro-5-[3-(4-N-methylaminocarbonyl)butoxybenzylamino]-2-i-propyl-3(2H)pyridazinone 104565-52-8 C20H27ClN4O3
    4-Chloro-5-[3-(4-N-methylaminocarbonyl)butoxybenzylamino]-2-i-propyl-3(2H)pyridazinone
    —— 4-amino-5,6-di(2-thienyl)furo<2,3-b>pyrimidine 75861-32-4 C14H9N3OS2
    4-amino-5,6-di(2-thienyl)furo<2,3-b>pyrimidine
    —— 4,5-Diaethyl-3-acetyl-2,5-dihydro-furanon-(2) 50367-13-0 C10H14O3
    4,5-Diaethyl-3-acetyl-2,5-dihydro-furanon-(2)
    —— 4-(3-nitrophenyl)-2,6-di(2-naphthyl)pyridine 75349-21-2 C31H20N2O2
    4-(3-nitrophenyl)-2,6-di(2-naphthyl)pyridine
    —— 4,4'-dimethyl-8-O-(2'',3'',6'',2''',3''',4''',6'''-hepta-O-acetyl-β-lactosyl)xanthotoxol 1365411-33-1 C39H44O21
    4,4'-dimethyl-8-O-(2'',3'',6'',2''',3''',4''',6'''-hepta-O-acetyl-β-lactosyl)xanthotoxol
    —— 4-(2-bromoethoxy)-2-hydroxybenzaldehyde 898803-83-3 C9H9BrO3
    4-(2-bromoethoxy)-2-hydroxybenzaldehyde
    —— 4,4'-(benzo[c][1,2,5]thiadiazole-4,7-diylbis(ethyne-2,1-diyl))diphenol 1346558-32-4 C22H12N2O2S
    4,4'-(benzo[c][1,2,5]thiadiazole-4,7-diylbis(ethyne-2,1-diyl))diphenol