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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-2-[(1E)-prop-1-enyl]quinazoline-3-oxide 903894-09-7 C12H12N2O
    4-methyl-2-[(1E)-prop-1-enyl]quinazoline-3-oxide
    —— 4-amino-<i>N</i>-(5-chloro-3,6-dimethoxy-pyridazin-4-yl)-benzenesulfonamide 1039-93-6 C12H13ClN4O4S
    4-amino-<i>N</i>-(5-chloro-3,6-dimethoxy-pyridazin-4-yl)-benzenesulfonamide
    —— 4,4'-bis(6I-O-tosylcyclomaltoheptaosyl)azobenzene 1093098-62-4 C96H146N2O70
    4,4'-bis(6I-O-tosylcyclomaltoheptaosyl)azobenzene
    —— (-)-(4aS,6S,8aS)-1,1-(1,2-Ethylenedioxy)-1,2,3,4,4aα,5,6,7,8,8a-decahydro-6β-hydroxy-8aβ-methyl-naphthalene 73284-93-2 C13H22O3
    (-)-(4aS,6S,8aS)-1,1-(1,2-Ethylenedioxy)-1,2,3,4,4aα,5,6,7,8,8a-decahydro-6β-hydroxy-8aβ-methyl-naphthalene
    —— 4-(dodecyloxy)phenylpentamethylguanidinium 4-(tetradecyloxy)benzenesulfonate 1380349-53-0 C20H33O4S*C24H44N3O
    4-(dodecyloxy)phenylpentamethylguanidinium 4-(tetradecyloxy)benzenesulfonate
    —— 4-isobutylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2,6-difluoro-3-(propane-1-sulfonylamino)phenyl]amide 1269666-70-7 C20H23F2N5O3S2
    4-isobutylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2,6-difluoro-3-(propane-1-sulfonylamino)phenyl]amide
    —— [4-(1,2-Diazaspiro[2.5]oct-1-en-6-yl)phenyl]methanamine 1241911-73-8 C13H17N3
    [4-(1,2-Diazaspiro[2.5]oct-1-en-6-yl)phenyl]methanamine
    —— (4aR,4a'R,6R,6'R,7S,7'S,8R,8aS,8'R,8a'S)-6,6'-oxybis(7-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-amine) 96530-52-8 C40H44N2O9
    (4aR,4a'R,6R,6'R,7S,7'S,8R,8aS,8'R,8a'S)-6,6'-oxybis(7-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-amine)
    —— (4R,8aS)-4-((tert-butyldimethylsilyl)oxy)-6,8a-dimethyl-7-(prop-1-en-2-yl)-3,4,6,7,8,8a-hexahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]-6,7-diol 917478-77-4 C23H40O5Si
    (4R,8aS)-4-((tert-butyldimethylsilyl)oxy)-6,8a-dimethyl-7-(prop-1-en-2-yl)-3,4,6,7,8,8a-hexahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]-6,7-diol
    —— 4,5,6,7-tetrachloro-3,3-bis-(1-dodecyl-2-methyl-indol-3-yl)-3<i>H</i>-isobenzofuran-1-one 50293-20-4 C50H64Cl4N2O2
    4,5,6,7-tetrachloro-3,3-bis-(1-dodecyl-2-methyl-indol-3-yl)-3<i>H</i>-isobenzofuran-1-one
    —— 4-Ethylamino-3,4-dihydro-2-(2-hydroxy)ethyl-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide-1,1-dioxide hydrochloride 154127-24-9 C10H17N3O5S3*ClH
    4-Ethylamino-3,4-dihydro-2-(2-hydroxy)ethyl-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide-1,1-dioxide hydrochloride
    —— 4-((1-(2-fluoroethyl)-1H-benzo[d]imidazol-2-yl)ethynyl)-N,N-dimethylaniline 1246092-70-5 C19H18FN3
    4-((1-(2-fluoroethyl)-1H-benzo[d]imidazol-2-yl)ethynyl)-N,N-dimethylaniline
    —— 4-chloro-6-ethylamino-2-methylamino-pyrimidine-5-carbonitrile 66309-25-9 C8H10ClN5
    4-chloro-6-ethylamino-2-methylamino-pyrimidine-5-carbonitrile
    —— (4-Methyl-piperazin-1-yl)-acetic acid 7-chloro-5-(2-chloro-phenyl)-1-methyl-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl ester; compound with methanesulfonic acid 39607-64-2 CH4O3S*C23H24Cl2N4O3
    (4-Methyl-piperazin-1-yl)-acetic acid 7-chloro-5-(2-chloro-phenyl)-1-methyl-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl ester; compound with methanesulfonic acid
    —— 4-piperazin-1-yl-1-(4-pyrrolidin-1-yl-benzenesulfonyl)-1H-indole formate 1088955-95-6 CH2O2*C22H26N4O2S
    4-piperazin-1-yl-1-(4-pyrrolidin-1-yl-benzenesulfonyl)-1H-indole formate
    —— 4-[3-hydroxy-5-(4-fluorophenyl)-1,2,4-triazol-1-yl]benzenesulfonamide 701637-61-8 C14H11FN4O3S
    4-[3-hydroxy-5-(4-fluorophenyl)-1,2,4-triazol-1-yl]benzenesulfonamide
    —— [4-[2-Ethyl-3-[2-[6-(methylamino)pyridin-3-yl]ethynyl]pyridin-4-yl]-2-fluorophenyl]-(4-propan-2-ylpiperazin-1-yl)methanone 1253055-47-8 C29H32FN5O
    [4-[2-Ethyl-3-[2-[6-(methylamino)pyridin-3-yl]ethynyl]pyridin-4-yl]-2-fluorophenyl]-(4-propan-2-ylpiperazin-1-yl)methanone
    —— 4-[[6-Chloro-5-(4-cyanoanilino)-1,2,4-triazin-3-yl]oxy]-3,5-dimethylbenzonitrile 876347-06-7 C19H13ClN6O
    4-[[6-Chloro-5-(4-cyanoanilino)-1,2,4-triazin-3-yl]oxy]-3,5-dimethylbenzonitrile
    —— ((4aS,8aS)-2-[1,3]Dioxan-2-yl-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-acetaldehyde 82652-71-9 C19H30O3
    ((4aS,8aS)-2-[1,3]Dioxan-2-yl-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-acetaldehyde
    —— 4-Hydroxy-5,7-dinitro-2,1,3-benzothiadiazol 3762-97-8 C6H2N4O5S
    4-Hydroxy-5,7-dinitro-2,1,3-benzothiadiazol
    —— 4-isopropyl-N-[4-(1-propyl-pyrrolidin-2-ylmethyl)-phenyl]-benzenesulfonamide 883992-82-3 C23H32N2O2S
    4-isopropyl-N-[4-(1-propyl-pyrrolidin-2-ylmethyl)-phenyl]-benzenesulfonamide
    —— 4-[N-isobutyl-(5,6,7,7a,8,9,10,11-octahydro-4H-2-benzo[ef]-heptalenyl)amino]benzoic acid 1627941-46-1 C26H33NO2
    4-[N-isobutyl-(5,6,7,7a,8,9,10,11-octahydro-4H-2-benzo[ef]-heptalenyl)amino]benzoic acid
    —— 4,4'-dimethyl-8-O-(2'',3'',4'',6''-tetra-O-acetyl-β-D-galactopyranosyl)xanthotoxol 1365411-31-9 C27H28O13
    4,4'-dimethyl-8-O-(2'',3'',4'',6''-tetra-O-acetyl-β-D-galactopyranosyl)xanthotoxol
    —— 4-((3-methoxypropyl)amino)pent-3-en-2-one 124747-45-1 C9H17NO2
    4-((3-methoxypropyl)amino)pent-3-en-2-one
    —— (4-Ethyl-phenyl)-difluoro-methyl-silane 114502-17-9 C9H12F2Si
    (4-Ethyl-phenyl)-difluoro-methyl-silane
    —— (4aR,8aS)-perhydro-2H,4H-<1,3>benzodioxin-4-one 124989-39-5 C8H12O3
    (4aR,8aS)-perhydro-2H,4H-<1,3>benzodioxin-4-one
    —— 4-Nitropyrogallol-2,3-dibenzolsulfonat-1-methylether 32905-02-5 C19H15NO9S2
    4-Nitropyrogallol-2,3-dibenzolsulfonat-1-methylether
    —— (4S)-7-nitromenth-1-en-8-yl acetate 90831-20-2 C12H19NO4
    (4S)-7-nitromenth-1-en-8-yl acetate
    —— (4S,6R)-6-Benzyl-4-hydroxy-4-((R)-methoxy-phenyl-methyl)-[1,3]oxazinan-2-one 101639-88-7 C19H21NO4
    (4S,6R)-6-Benzyl-4-hydroxy-4-((R)-methoxy-phenyl-methyl)-[1,3]oxazinan-2-one
    —— 4-benzyl-8-(2-chlorophenoxy)-3,4-dihydropyrido[3,2-f][1,4]oxazepin-5(2H)-one 1154472-22-6 C21H17ClN2O3
    4-benzyl-8-(2-chlorophenoxy)-3,4-dihydropyrido[3,2-f][1,4]oxazepin-5(2H)-one
    —— [(4,6-bis(3-diisopropylphosphinophenyl)dibenzofuran)Ni(vinyl)(chloride)] 1332622-79-3 C38H45ClNiOP2
    [(4,6-bis(3-diisopropylphosphinophenyl)dibenzofuran)Ni(vinyl)(chloride)]
    —— 4-dimethylamino-4-phenylcyclohexylidene-acetic acid 695212-82-9 C16H21NO2
    4-dimethylamino-4-phenylcyclohexylidene-acetic acid
    —— 4-bromo-2-nitro-N-[2-(trifluoromethoxy)ethyl]aniline 886049-92-9 C9H8BrF3N2O3
    4-bromo-2-nitro-N-[2-(trifluoromethoxy)ethyl]aniline
    —— 4-Ethylamino-5-[(Z)-ethylimino]-cyclohepta-1,3,6-trienecarboxylic acid ethyl ester 16637-30-2 C14H20N2O2
    4-Ethylamino-5-[(Z)-ethylimino]-cyclohepta-1,3,6-trienecarboxylic acid ethyl ester
    —— 4-Nitro-3-formyl-5-methoxy-1,2,6-trimethyl-indol 4582-60-9 C13H14N2O4
    4-Nitro-3-formyl-5-methoxy-1,2,6-trimethyl-indol
    —— 4-chloro-2-methanesulfonyloxymethyl-3-methylpyridine methanesulfonate 882864-48-4 CH4O3S*C8H10ClNO3S
    4-chloro-2-methanesulfonyloxymethyl-3-methylpyridine methanesulfonate
    —— 4-(Difluoromethoxy)-3-fluorobenzene-1-sulfonyl chloride 1178111-39-1 C7H4ClF3O3S
    4-(Difluoromethoxy)-3-fluorobenzene-1-sulfonyl chloride
    —— 4,5-Cyclohexano-indan-1,3-dion 50919-84-1 C13H12O2
    4,5-Cyclohexano-indan-1,3-dion
    —— (4-Chlor-phenyl)-cyclopropyl-[4-(2-diethylamino-ethoxy)-phenyl]-methanol 3704-74-3 C22H28ClNO2
    (4-Chlor-phenyl)-cyclopropyl-[4-(2-diethylamino-ethoxy)-phenyl]-methanol
    —— 4-chloro-3-nitro-2-(phenylsulfonylmethyl)benzaldehyde 1257103-63-1 C14H10ClNO5S
    4-chloro-3-nitro-2-(phenylsulfonylmethyl)benzaldehyde
    —— 4-(4-phenoxybutyl)-4-trimethylsilyloxy-5-(3,7-dimethyl-1-hydroxy-2,6-octadiene)-2-cyclopentenone 104248-67-1 C28H42O4Si
    4-(4-phenoxybutyl)-4-trimethylsilyloxy-5-(3,7-dimethyl-1-hydroxy-2,6-octadiene)-2-cyclopentenone
    —— 4-Bromo-2-chloro-3-oxo-butyric acid butyl ester 32807-30-0 C8H12BrClO3
    4-Bromo-2-chloro-3-oxo-butyric acid butyl ester
    —— 4-[2-(7-bromo-3-hydroxy-naphthalene-2-carbonylamino)-ethyl]-4-methyl-morpholinium 47367-71-5 C18H22BrN2O3
    4-[2-(7-bromo-3-hydroxy-naphthalene-2-carbonylamino)-ethyl]-4-methyl-morpholinium
    —— 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-N-[1,2]dithiolan-4-yl-2-methyl-benzamide 1309957-67-2 C21H17Cl2F3N2O2S2
    4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-N-[1,2]dithiolan-4-yl-2-methyl-benzamide
    —— 4H-1-Benzopyran-4-one, 2,3-dihydro-7-hydroxy-5-iodo- 1273667-34-7 C9H7IO3
    4H-1-Benzopyran-4-one, 2,3-dihydro-7-hydroxy-5-iodo-
    —— 4-[4-morpholin-4-yl-3-(naphthalen-2-ylsulfonylamino)-4-oxobutyl]benzenecarbothioamide 82098-99-5 C25H27N3O4S2
    4-[4-morpholin-4-yl-3-(naphthalen-2-ylsulfonylamino)-4-oxobutyl]benzenecarbothioamide
    —— 4-Benzyloxy-2-bromo-1-oxo-1-phenylbutane 139518-44-8 C17H17BrO2
    4-Benzyloxy-2-bromo-1-oxo-1-phenylbutane
    —— 4-Methyl-3,5-dicarboxy-2-cyan-pyrrol 18711-57-4 C8H6N2O4
    4-Methyl-3,5-dicarboxy-2-cyan-pyrrol
    —— 4-amino-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-2-((tetrahydrofuran-2-yl)methoxy)-7,8-dihydropteridin-6(5H)-one 1228585-66-7 C23H30N6O3
    4-amino-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-2-((tetrahydrofuran-2-yl)methoxy)-7,8-dihydropteridin-6(5H)-one
    —— (4-Butoxy-3-chloromethyl-phenyl)-acetic acid methyl ester 29076-17-3 C14H19ClO3
    (4-Butoxy-3-chloromethyl-phenyl)-acetic acid methyl ester