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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-benzyl-1-methylpyridinium iodide 78815-42-6 C13H14N*I
    4-benzyl-1-methylpyridinium iodide
    —— 4,7-dihydroxy-1-phenylindane 100848-77-9 C15H14O2
    4,7-dihydroxy-1-phenylindane
    —— (4aR,6R,8aR)-2-Methyl-4a-(6,7,9,10,12,13,15,16-octahydro-5,8,11,14,17-pentaoxa-benzocyclopentadecen-2-yl)-decahydro-isoquinolin-6-ol 97579-73-2 C24H37NO6
    (4aR,6R,8aR)-2-Methyl-4a-(6,7,9,10,12,13,15,16-octahydro-5,8,11,14,17-pentaoxa-benzocyclopentadecen-2-yl)-decahydro-isoquinolin-6-ol
    —— 4-(3-(benzhydryloxy)prop-1-yn-1-yl)benzaldehyde 1370285-82-7 C23H18O2
    4-(3-(benzhydryloxy)prop-1-yn-1-yl)benzaldehyde
    —— 4-Nitro-benzenesulfonic acid 4-cyclopent-1-enyl-butyl ester 53544-49-3 C15H19NO5S
    4-Nitro-benzenesulfonic acid 4-cyclopent-1-enyl-butyl ester
    —— 4-{5-[3-chloro-5-(methylsulfonyl)phenoxy]-2-fluorophenyl}-8-(trifluoromethyl)quinazoline 1112985-69-9 C22H13ClF4N2O3S
    4-{5-[3-chloro-5-(methylsulfonyl)phenoxy]-2-fluorophenyl}-8-(trifluoromethyl)quinazoline
    —— (4aS,5S,8aR)-1,1,4a-trimethyl-5-(oxan-2-yloxy)-4,5,6,7,8,8a-hexahydro-3H-naphthalen-2-one 261351-87-5 C18H30O3
    (4aS,5S,8aR)-1,1,4a-trimethyl-5-(oxan-2-yloxy)-4,5,6,7,8,8a-hexahydro-3H-naphthalen-2-one
    —— 4,4-dihydroxy-1,1-dimethyl-piperidinium; bromide 116567-12-5 Br*C7H16NO2
    4,4-dihydroxy-1,1-dimethyl-piperidinium; bromide
    —— 4-(3,5-di-tert-butyl-4-carboxymethoxy-phenylsulfanyl)-4-(3,5-di-tert-butyl-4-hydroxy-phenylsulfanyl)-piperidine-1-carboxylic acid ethyl ester 1402048-73-0 C38H57NO6S2
    4-(3,5-di-tert-butyl-4-carboxymethoxy-phenylsulfanyl)-4-(3,5-di-tert-butyl-4-hydroxy-phenylsulfanyl)-piperidine-1-carboxylic acid ethyl ester
    —— 4-Benzenesulfonyl-7-phenylmethanesulfonyl-benzo[1,2,5]oxadiazole 116459-26-8 C19H14N2O5S2
    4-Benzenesulfonyl-7-phenylmethanesulfonyl-benzo[1,2,5]oxadiazole
    —— 4,5-dihydro-5-phenyl-3-(phenylsulfonyl)-2(3H)-furanone 72842-33-2 C16H14O4S
    4,5-dihydro-5-phenyl-3-(phenylsulfonyl)-2(3H)-furanone
    —— 4-Acetylamino-2-hydroxy-5-nitro-toluol 37066-83-4 C9H10N2O4
    4-Acetylamino-2-hydroxy-5-nitro-toluol
    —— 4-Hydroxy-2'-(trifluoromethoxy)biphenyl-3-carboxylic acid 926250-04-6 C14H9F3O4
    4-Hydroxy-2'-(trifluoromethoxy)biphenyl-3-carboxylic acid
    —— 4-methyl-9-triptycyl 4-methyl-9-triptyceneperoxycarboxylate 84065-34-9 C43H30O3
    4-methyl-9-triptycyl 4-methyl-9-triptyceneperoxycarboxylate
    —— 4,5-Bis-(4'-phenyl-trans-stilbenyl-(4))-2-phenyl-oxazol 16178-23-7 C49H35NO
    4,5-Bis-(4'-phenyl-trans-stilbenyl-(4))-2-phenyl-oxazol
    —— (4-chlorophenyl)[1-(phenylselanyl)cyclobutyl]methanone 1114779-86-0 C17H15ClOSe
    (4-chlorophenyl)[1-(phenylselanyl)cyclobutyl]methanone
    —— (4-{2-[3-(diphenylmethyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]ethoxy}phenyl)acetic acid 1178874-52-6 C31H26N2O5
    (4-{2-[3-(diphenylmethyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl]ethoxy}phenyl)acetic acid
    —— 4-bromo-1-(cyclopropylmethyl)-5-(2,2-difluoroethoxy)-1H-benzotriazole 1379544-29-2 C12H12BrF2N3O
    4-bromo-1-(cyclopropylmethyl)-5-(2,2-difluoroethoxy)-1H-benzotriazole
    —— 4-[(4-bromophenyl)diazenyl]-3-(5-methoxy-2,3-diphenyl-1-benzofuran-6-yl)-5-methylpyrazole-1-carboxamide 80423-99-0 C32H24BrN5O3
    4-[(4-bromophenyl)diazenyl]-3-(5-methoxy-2,3-diphenyl-1-benzofuran-6-yl)-5-methylpyrazole-1-carboxamide
    —— 4-amino-3-(2''-carbethoxy-2''-cyanovinyl)-1,2-dihydrospiro<naphthalene-1,3'-piperidine>-2',6'-dione 128366-93-8 C20H19N3O4
    4-amino-3-(2''-carbethoxy-2''-cyanovinyl)-1,2-dihydrospiro<naphthalene-1,3'-piperidine>-2',6'-dione
    —— 4,6,8-Trimethoxy-3-(3-methylbut-2-enyl)-2-quinolone 68711-61-5 C17H21NO4
    4,6,8-Trimethoxy-3-(3-methylbut-2-enyl)-2-quinolone
    —— (4R)-4-(1-methyl-1-{[3-(methylsulfonyl)phenyl]sulfonyl}ethyl)-1-[2-(methylsulfonyl)-4-(trifluoromethyl)phenyl]piperidine-2-one 1219910-63-0 C23H26F3NO7S3
    (4R)-4-(1-methyl-1-{[3-(methylsulfonyl)phenyl]sulfonyl}ethyl)-1-[2-(methylsulfonyl)-4-(trifluoromethyl)phenyl]piperidine-2-one
    —— 4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]-N-hydroxy-2-methyl-N'-(2,2,2-trifluoroethyl)benzenecarboximidamide 1233232-15-9 C20H15Cl2F6N3O2
    4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]-N-hydroxy-2-methyl-N'-(2,2,2-trifluoroethyl)benzenecarboximidamide
    —— 4-methoxy-N-[3-(4-phenylamino-quinazolin-6-yl)-benzyl]-N-propyl-benzamide 950568-81-7 C32H30N4O2
    4-methoxy-N-[3-(4-phenylamino-quinazolin-6-yl)-benzyl]-N-propyl-benzamide
    —— (4-Formylphenyl)(49mg)propanamide 59025-97-7 C7H5O
    (4-Formylphenyl)(49mg)propanamide
    —— 4-N-[(S)-2-(N-benzyloxylcarbonylpyrrolidine)-2-carbonyl]amino-1-(β-D-2,3,5-tri-O-acetylribofuranosyl)imidazole 853262-12-1 C27H32N4O10
    4-N-[(S)-2-(N-benzyloxylcarbonylpyrrolidine)-2-carbonyl]amino-1-(β-D-2,3,5-tri-O-acetylribofuranosyl)imidazole
    —— 4-methyl-2-thiophen-2-ylmethylene-4<i>H</i>-benzo[1,4]thiazin-3-one 55043-24-8 C14H11NOS2
    4-methyl-2-thiophen-2-ylmethylene-4<i>H</i>-benzo[1,4]thiazin-3-one
    —— 4,4'-bis(4-ethoxycarbonyl-5-oxo-4-pentyltetrahydrofuran-2-ylmethylsulfanyl)biphenyl 1373881-21-0 C38H50O8S2
    4,4'-bis(4-ethoxycarbonyl-5-oxo-4-pentyltetrahydrofuran-2-ylmethylsulfanyl)biphenyl
    —— 4-(2'-dimethylethylammonium)ethoxyphthalonitrile iodide 81560-34-1 C14H18N3O*I
    4-(2'-dimethylethylammonium)ethoxyphthalonitrile iodide
    —— (4S,4aS,5aR,12aS)-4-Dimethylamino-9-(2-dimethylamino-acetylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-7-pyridin-2-yl-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide 1035978-34-7 C30H33N5O8
    (4S,4aS,5aR,12aS)-4-Dimethylamino-9-(2-dimethylamino-acetylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-7-pyridin-2-yl-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide
    —— 4-(6-Methoxy-naphthalen-2-yl)-3-methyl-hept-1-yn-3-ol 56600-80-7 C19H22O2
    4-(6-Methoxy-naphthalen-2-yl)-3-methyl-hept-1-yn-3-ol
    —— 4-(benzo[d][1,3]dioxol-5-yl)-3-(ethylthio)-2-(2-methoxyphenyl)cyclopent-2-enone 1426691-62-4 C21H20O4S
    4-(benzo[d][1,3]dioxol-5-yl)-3-(ethylthio)-2-(2-methoxyphenyl)cyclopent-2-enone
    —— 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoro-undecanoic acid 2-bromo-1-ethoxycarbonyl-ethyl ester 152306-96-2 C16H12BrF17O4
    4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoro-undecanoic acid 2-bromo-1-ethoxycarbonyl-ethyl ester
    —— 4,5-dichloro-2-phthalimidonitrobenzene 1042161-31-8 C14H6Cl2N2O4
    4,5-dichloro-2-phthalimidonitrobenzene
    —— 4-(4-trimethylsilanyl-phenylsulfanyl)-pyridine-1-oxide 18407-57-3 C14H17NOSSi
    4-(4-trimethylsilanyl-phenylsulfanyl)-pyridine-1-oxide
    —— 4-(dibenzo[b,d]furan-2-ylmethyl)-6,7-dimethoxy-1-methylisoquinoline hydrochloride 1604830-86-5 C25H21NO3*ClH
    4-(dibenzo[b,d]furan-2-ylmethyl)-6,7-dimethoxy-1-methylisoquinoline hydrochloride
    —— 4-(4-methyl-2-thienyl)-N-(4-(pyrrolo[2,1-f][1,2,4]triazin-4-ylthio)phenyl)-1-phthalazinamine 1187875-87-1 C25H18N6S2
    4-(4-methyl-2-thienyl)-N-(4-(pyrrolo[2,1-f][1,2,4]triazin-4-ylthio)phenyl)-1-phthalazinamine
    —— (4-{4-carbamoyl-5-[3-(4-chlorophenyl)ureido]-1H-imidazol-2-ylmethoxy}phenyl)acetic acid 1140970-86-0 C20H18ClN5O5
    (4-{4-carbamoyl-5-[3-(4-chlorophenyl)ureido]-1H-imidazol-2-ylmethoxy}phenyl)acetic acid
    —— (4R,5R)-5-allyl-2-(4-methoxyphenyl)-5-methyl-N-(3-oxo-3-(pentylamino)propyl)-1,3-dioxane-4-carboxamide 1309384-57-3 C24H36N2O5
    (4R,5R)-5-allyl-2-(4-methoxyphenyl)-5-methyl-N-(3-oxo-3-(pentylamino)propyl)-1,3-dioxane-4-carboxamide
    —— 4-bromo-2-trimethylsilylselenophene 1223560-00-6 C7H11BrSeSi
    4-bromo-2-trimethylsilylselenophene
    —— 4-[[1,3-dioxo-1-(2,4,6-trimethoxyphenyl)butan-2-yl]diazenyl]-N-(2-methylphenyl)benzenesulfonamide 113233-03-7 C26H27N3O7S
    4-[[1,3-dioxo-1-(2,4,6-trimethoxyphenyl)butan-2-yl]diazenyl]-N-(2-methylphenyl)benzenesulfonamide
    —— ((4-trimethylsilyloxyphenyl)pyridine-2-ylmethyleneamine)Mo(CO)3((4-isocyanophenyl)pyridine-2-ylmethyleneamine)Cr(CO)4 702645-46-3 C35H27CrMoN5O8Si
    ((4-trimethylsilyloxyphenyl)pyridine-2-ylmethyleneamine)Mo(CO)3((4-isocyanophenyl)pyridine-2-ylmethyleneamine)Cr(CO)4
    —— 4-chloro-6-(4-morpholinyl)[1,3]selenazolo[4,5-d][1,2,3]triazine 1202167-37-0 C8H8ClN5OSe
    4-chloro-6-(4-morpholinyl)[1,3]selenazolo[4,5-d][1,2,3]triazine
    —— 4-Oxo-pentanoic acid (4aR,6R,7R,8R,8aS)-7-hydroxy-2-phenyl-6-(2-tetradecyl-hexadecyloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester 196204-51-0 C48H82O8
    4-Oxo-pentanoic acid (4aR,6R,7R,8R,8aS)-7-hydroxy-2-phenyl-6-(2-tetradecyl-hexadecyloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester
    —— 4-O-benzoyl-2-deoxy-1-O-methylsulfonyl-2-C-methyl-3-O-methyl-L-threitol 141546-68-1 C14H20O6S
    4-O-benzoyl-2-deoxy-1-O-methylsulfonyl-2-C-methyl-3-O-methyl-L-threitol
    —— 4-(3-(1-butylquinolin-4(1H)-ylidene)prop-1-en-1-yl)-5,8-dimethyl-7,8-dihydrobenzo[cd]furo[2,3-f]indol-5-ium iodide 1217806-78-4 C31H31N2O*I
    4-(3-(1-butylquinolin-4(1H)-ylidene)prop-1-en-1-yl)-5,8-dimethyl-7,8-dihydrobenzo[cd]furo[2,3-f]indol-5-ium iodide
    —— 4-chloro-N-[({2-[4-(6,7-dichloro-2-methyl-1-oxo-1,2,3,4-tetrahydro-9H-beta-carbolin-9-yl)phenyl]ethyl}amino)carbonyl]benzenesulfonamide 1219497-08-1 C27H23Cl3N4O4S
    4-chloro-N-[({2-[4-(6,7-dichloro-2-methyl-1-oxo-1,2,3,4-tetrahydro-9H-beta-carbolin-9-yl)phenyl]ethyl}amino)carbonyl]benzenesulfonamide
    —— [4-((1S,2R,3S)-4,4,4-Trifluoro-1,3-dimethoxy-2-methoxymethyl-butyl)-phenyl]-methanol 211857-41-9 C15H21F3O4
    [4-((1S,2R,3S)-4,4,4-Trifluoro-1,3-dimethoxy-2-methoxymethyl-butyl)-phenyl]-methanol
    —— 4-bromo-N-[N'-[2-(2,4-dioxo-1H-pyrimidin-5-yl)ethyl]-N-[2-(trifluoromethyl)phenyl]carbamimidoyl]benzamide 1217243-50-9 C21H17BrF3N5O3
    4-bromo-N-[N'-[2-(2,4-dioxo-1H-pyrimidin-5-yl)ethyl]-N-[2-(trifluoromethyl)phenyl]carbamimidoyl]benzamide
    —— 4-bromo-6-fluoro-2,2,7-trimethyl-3H-inden-1-one 881190-02-9 C12H12BrFO
    4-bromo-6-fluoro-2,2,7-trimethyl-3H-inden-1-one