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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-azido-8-methylquinoline-2(1H)-thione 360078-58-6 C10H8N4S
    4-azido-8-methylquinoline-2(1H)-thione
    —— 4-fluorocarbonyl-perfluoroisochromenyl cation 1610702-81-2 C10F7O2
    4-fluorocarbonyl-perfluoroisochromenyl cation
    —— 4-bromo-1-(1,3-dioxolan-2-ylmethyl)-3-(4-fluoro-phenyl)-1H-pyrazole 1286230-61-2 C13H12BrFN2O2
    4-bromo-1-(1,3-dioxolan-2-ylmethyl)-3-(4-fluoro-phenyl)-1H-pyrazole
    —— 4-[3-(2-oxo-5-m-tolyl-1,2-dihydro-imidazo[1,2-a]quinolin-8-ylsulfanyl)-phenyl]-tetrahydro-pyran-4-carbonitrile 944922-20-7 C30H25N3O2S
    4-[3-(2-oxo-5-m-tolyl-1,2-dihydro-imidazo[1,2-a]quinolin-8-ylsulfanyl)-phenyl]-tetrahydro-pyran-4-carbonitrile
    —— 4-[(2-chloro-4-fluorophenoxy)methyl]-N-[1-(4-fluorobenzyl)-1H-pyrazol-4-yl]pyridine-2-carboxamide 1018445-55-0 C23H17ClF2N4O2
    4-[(2-chloro-4-fluorophenoxy)methyl]-N-[1-(4-fluorobenzyl)-1H-pyrazol-4-yl]pyridine-2-carboxamide
    —— 4-benzyl-2-(4-cyanophenoxymethyl)-1-(3-isopropylphenyl)piperazine 1119697-99-2 C28H31N3O
    4-benzyl-2-(4-cyanophenoxymethyl)-1-(3-isopropylphenyl)piperazine
    —— 4-amino-2-{[(1S,3S,5S)-2-(2-methyl-5-m-tolyl-thiazole-4-carbonyl)-2-aza-bicyclo[3.1.0]hex-3-ylmethyl]-amino}-pyrimidine-5-carbonitrile 1038508-71-2 C23H23N7OS
    4-amino-2-{[(1S,3S,5S)-2-(2-methyl-5-m-tolyl-thiazole-4-carbonyl)-2-aza-bicyclo[3.1.0]hex-3-ylmethyl]-amino}-pyrimidine-5-carbonitrile
    —— (4S,E)-6-cyclohexyl-4-methyl-4-phenylhex-5-en-2-one 1608104-82-0 C19H26O
    (4S,E)-6-cyclohexyl-4-methyl-4-phenylhex-5-en-2-one
    —— 4-Fluoro-1-(2,4,6-trifluorophenyl)isoquinoline-7-carboxylic acid 1264216-06-9 C16H7F4NO2
    4-Fluoro-1-(2,4,6-trifluorophenyl)isoquinoline-7-carboxylic acid
    —— 4-(2-Chloro-6-fluorophenyl)quinoline-6-carboxylic acid 1264210-39-0 C16H9ClFNO2
    4-(2-Chloro-6-fluorophenyl)quinoline-6-carboxylic acid
    —— 4-(6-butylsulfanyl-2-naphthyl)aniline 306762-38-9 C20H21NS
    4-(6-butylsulfanyl-2-naphthyl)aniline
    —— (4R,5R)-4,5-bis[bis(2-methylphenyl)phosphorylmethyl]-2,2-dimethyl-1,3-dioxolane 1380504-56-2 C35H40O4P2
    (4R,5R)-4,5-bis[bis(2-methylphenyl)phosphorylmethyl]-2,2-dimethyl-1,3-dioxolane
    —— 4-(2-Fluoro-4-methylphenyl)-8-methylquinoline-6-carboxylic acid 1264215-47-5 C18H14FNO2
    4-(2-Fluoro-4-methylphenyl)-8-methylquinoline-6-carboxylic acid
    —— (+)-(4S)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-(4-pentenyl)-azetidine-2,3-dione 665020-67-7 C13H19NO4
    (+)-(4S)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-(4-pentenyl)-azetidine-2,3-dione
    —— 4-aminomethyl-1,2-dihydro-9-ethyl-9-hydroxy-12H-thiino[4,3,2,-de]pyrano[3',4': 6,7]indolizino[1,2-b]quinoline-10,13(9H,15H)-dione.monohydrochloride 121062-72-4 C23H21N3O4S*ClH
    4-aminomethyl-1,2-dihydro-9-ethyl-9-hydroxy-12H-thiino[4,3,2,-de]pyrano[3',4': 6,7]indolizino[1,2-b]quinoline-10,13(9H,15H)-dione.monohydrochloride
    —— 4-Brom-5-methoxy-6-nitro-thionaphthen 98592-08-6 C9H6BrNO3S
    4-Brom-5-methoxy-6-nitro-thionaphthen
    —— 4-({2-[4-(2-{(2R)-2-[6-(2,5-dimethyl-pyrrol-1-yl)-pyridin-3-yl]-2-hydroxy-ethylamino}-propyl)-phenyl]-acetylamino}-methyl)-benzoicacid methyl ester 808761-34-4 C33H38N4O4
    4-({2-[4-(2-{(2R)-2-[6-(2,5-dimethyl-pyrrol-1-yl)-pyridin-3-yl]-2-hydroxy-ethylamino}-propyl)-phenyl]-acetylamino}-methyl)-benzoicacid methyl ester
    —— 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid mono(pivaloyloxymethyl) ester 134634-42-7 C10H23NO9P2
    4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid mono(pivaloyloxymethyl) ester
    —— (4S,5S)-2-Oxo-2-((Z)-propenyl)-2λ<sup>5</sup>-[1,3,2]dioxaphospholane-4,5-dicarboxylic acid bis-isopropylamide 118894-38-5 C13H23N2O5P
    (4S,5S)-2-Oxo-2-((Z)-propenyl)-2λ<sup>5</sup>-[1,3,2]dioxaphospholane-4,5-dicarboxylic acid bis-isopropylamide
    —— 4-(1-methylpiperidin-4-ylidenemethyl)-3-trifluoromethyl-N-{4-methyl-3-[4-(5-pyrimidinyl)pyrimidin-2-ylamino]phenyl}benzamide hydrochloride 859211-65-7 C30H28F3N7O*ClH
    4-(1-methylpiperidin-4-ylidenemethyl)-3-trifluoromethyl-N-{4-methyl-3-[4-(5-pyrimidinyl)pyrimidin-2-ylamino]phenyl}benzamide hydrochloride
    —— 4-amino-6-chloro-N-(4-(N-methylsulfamoyl)phenyl)pyrimidine-5-carboxamide 1605330-69-5 C12H12ClN5O3S
    4-amino-6-chloro-N-(4-(N-methylsulfamoyl)phenyl)pyrimidine-5-carboxamide
    —— 4'-methoxy-6,8,8-triethyldesmosdumotin B 1242265-92-4 C22H24O5
    4'-methoxy-6,8,8-triethyldesmosdumotin B
    —— (4R)-3-methylene-2-(trifluoromethyl)tetrahydrofuran-2,4-diol 917506-97-9 C6H7F3O3
    (4R)-3-methylene-2-(trifluoromethyl)tetrahydrofuran-2,4-diol
    —— 4-Phenyl-1,4-dihydro-pyridine-3,5-dicarbothioic acid di-S-ethyl ester 120533-91-7 C17H19NO2S2
    4-Phenyl-1,4-dihydro-pyridine-3,5-dicarbothioic acid di-S-ethyl ester
    —— 4-[(4H-[1,2,4]-triazol-3-yl)hydrazono]-4H-pyrazole-3,5-diamine 366802-81-5 C5H7N9
    4-[(4H-[1,2,4]-triazol-3-yl)hydrazono]-4H-pyrazole-3,5-diamine
    —— 4-diphenylmethyl-(7β)-<2-oxo-4-phenyl-5-oxazolidinylideneamino>-3-chloro-3-cephem-4-carboxylate 121463-94-3 C29H22ClN3O5S
    4-diphenylmethyl-(7β)-<2-oxo-4-phenyl-5-oxazolidinylideneamino>-3-chloro-3-cephem-4-carboxylate
    —— 4-N-butyl-2-N-[2-[3-[(4-cyanophenyl)methyl]imidazol-4-yl]ethyl]-1-N-cyclohexylpiperazine-1,2,4-tricarboxamide 281207-24-7 C30H42N8O3
    4-N-butyl-2-N-[2-[3-[(4-cyanophenyl)methyl]imidazol-4-yl]ethyl]-1-N-cyclohexylpiperazine-1,2,4-tricarboxamide
    —— 4β-Iod-17α-methyl-3α-trifluormethyl-5α-androstan-17β-ol 31239-11-9 C21H32F3IO
    4β-Iod-17α-methyl-3α-trifluormethyl-5α-androstan-17β-ol
    —— 4-methyl-9-<i>p</i>-tolyl-furo[2,3-<i>h</i>]chromen-2-one 144366-78-9 C19H14O3
    4-methyl-9-<i>p</i>-tolyl-furo[2,3-<i>h</i>]chromen-2-one
    —— (4R,5S)-2,2,4-trimethyl-5-[(1R)-1-phenylmethoxybut-3-enyl]-1,3-dioxolane 106062-14-0 C17H24O3
    (4R,5S)-2,2,4-trimethyl-5-[(1R)-1-phenylmethoxybut-3-enyl]-1,3-dioxolane
    —— 4-Hydroxy-3-methoxy-4-[3-((3aR,4S,6aR)-4-methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-prop-1-ynyl]-2-methyl-cyclobut-2-enone 119908-01-9 C17H22O7
    4-Hydroxy-3-methoxy-4-[3-((3aR,4S,6aR)-4-methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-prop-1-ynyl]-2-methyl-cyclobut-2-enone
    —— 4-Tetradecyl-biphenyl 103049-65-6 C26H38
    4-Tetradecyl-biphenyl
    —— 4-(2-methoxyphenyl)-7-methylcyclohepta-1,3,6-trienyl pivalate 1365554-50-2 C20H24O3
    4-(2-methoxyphenyl)-7-methylcyclohepta-1,3,6-trienyl pivalate
    —— 4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,22,26b-Octadecahydro-26b-hydroxy-1H,3H-<1,11,8>oxathiazacyclodocosino<9,8-a>isoindole-15,22-dione 74359-78-7 C26H39NO4S
    4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,22,26b-Octadecahydro-26b-hydroxy-1H,3H-<1,11,8>oxathiazacyclodocosino<9,8-a>isoindole-15,22-dione
    —— 4-bromo-2-chloromethyl-1-methyl-5-nitro-1H-imidazole 1270127-63-3 C5H5BrClN3O2
    4-bromo-2-chloromethyl-1-methyl-5-nitro-1H-imidazole
    —— 4-(4-Fluoro-phenyl)-1-methyl-3-phenoxymethyl-piperidine 105812-94-0 C19H22FNO
    4-(4-Fluoro-phenyl)-1-methyl-3-phenoxymethyl-piperidine
    —— 4-methylbenzenesulfonic N-propoxybenzimidic anhydride 93644-01-0 C17H19NO4S
    4-methylbenzenesulfonic N-propoxybenzimidic anhydride
    —— 4-[5-nitro-2-(3-piperidin-1-yl-propoxy)-benzoyl]-morpholine 66952-71-4 C19H27N3O5
    4-[5-nitro-2-(3-piperidin-1-yl-propoxy)-benzoyl]-morpholine
    —— 4-bromo-5-({5-chloro-3-[(1,1-dioxidothiomorpholin-4-yl)methyl]pyridin-2-yl}oxy)-1-(cyclopropylmethyl)-1H-benzotriazole 1268312-90-8 C20H21BrClN5O3S
    4-bromo-5-({5-chloro-3-[(1,1-dioxidothiomorpholin-4-yl)methyl]pyridin-2-yl}oxy)-1-(cyclopropylmethyl)-1H-benzotriazole
    —— 4-(4,9-dihydro-10-oxo-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-piperidinecaproic acid 727354-74-7 C24H27NO3S
    4-(4,9-dihydro-10-oxo-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-piperidinecaproic acid
    —— 4-(4-methyl-1H-imidazol-1-yl)phthalonitrile 1386851-34-8 C12H8N4
    4-(4-methyl-1H-imidazol-1-yl)phthalonitrile
    —— 4-Methyl-3,3a,6,6a-tetrahydro-2H-pentalen-1-one 115821-35-7 C9H12O
    4-Methyl-3,3a,6,6a-tetrahydro-2H-pentalen-1-one
    —— 4(5)-methyl-5(4)-tricyanovinylimidazole 104143-14-8 C9H5N5
    4(5)-methyl-5(4)-tricyanovinylimidazole
    —— (4Z)-2-hydroxy-3-methoxycarbonyl-2,6-dimethylhept-4-ene 108860-74-8 C11H20O3
    (4Z)-2-hydroxy-3-methoxycarbonyl-2,6-dimethylhept-4-ene
    —— (4aR,6R,8S,8aS)-6,8-Dimethoxy-7-methylene-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine 72308-64-6 C16H20O5
    (4aR,6R,8S,8aS)-6,8-Dimethoxy-7-methylene-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine
    —— 4-({[4-(3,6-dimethyl-4,10-dihydro-3H-2,3,4,9-tetraaza-benzo[f]azulene-9-carbonyl)-cyclohexylmethyl]-carbamoyl}-methyl)-piperidine-1-carboxylic acid 4-nitro-benzyl ester 877846-95-2 C35H43N7O6
    4-({[4-(3,6-dimethyl-4,10-dihydro-3H-2,3,4,9-tetraaza-benzo[f]azulene-9-carbonyl)-cyclohexylmethyl]-carbamoyl}-methyl)-piperidine-1-carboxylic acid 4-nitro-benzyl ester
    —— 4-(3-Methoxy-phenyl)-1,5,6-trimethyl-1,2,3,4-tetrahydro-pyridine 69070-25-3 C15H21NO
    4-(3-Methoxy-phenyl)-1,5,6-trimethyl-1,2,3,4-tetrahydro-pyridine
    —— 4-Propargyloxy-5-allyl-isophthalsaeure-dimethylester 5383-93-7 C16H16O5
    4-Propargyloxy-5-allyl-isophthalsaeure-dimethylester
    —— (4-Benzyl-2,6-dichloro-phenylamino)-acetic acid 68075-64-9 C15H13Cl2NO2
    (4-Benzyl-2,6-dichloro-phenylamino)-acetic acid
    —— [4,4'-(2,7-dihydro-[1,4,5]thiadiazepin-3,6-diyl)-diphenoxy]-bis-acetic acid 24483-60-1 C20H18N2O6S
    [4,4'-(2,7-dihydro-[1,4,5]thiadiazepin-3,6-diyl)-diphenoxy]-bis-acetic acid