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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Butyl-7-hydroxy-3-<4-methoxy-phenyl>-cumarin 6823-46-7 C20H20O4
    4-Butyl-7-hydroxy-3-<4-methoxy-phenyl>-cumarin
    —— 4-isopentyl-3-pentylquinolin-2-amine 1607440-22-1 C19H28N2
    4-isopentyl-3-pentylquinolin-2-amine
    —— 4,5,6,7-Tetrachlor-2-trichlormethyl-benzimidazol 30297-15-5 C8HCl7N2
    4,5,6,7-Tetrachlor-2-trichlormethyl-benzimidazol
    —— (4S,5R,1'S)-S-benzylthiouronium 2,2-dimethyl-4-(methoxycarbonyl)-5-(1'-methylpropyl)-1,3-dioxolane-4-carboxylate 145032-42-4 C8H10N2S*C12H20O6
    (4S,5R,1'S)-S-benzylthiouronium 2,2-dimethyl-4-(methoxycarbonyl)-5-(1'-methylpropyl)-1,3-dioxolane-4-carboxylate
    —— 4-(6-butoxybenzo[d]thiazol-2-yl)morpholine 1456930-99-6 C15H20N2O2S
    4-(6-butoxybenzo[d]thiazol-2-yl)morpholine
    —— 4-Methoxyphenyl(3-phenyltriazolothiazol-6-yl)methanol 134576-80-0 C18H15N3O2S
    4-Methoxyphenyl(3-phenyltriazolothiazol-6-yl)methanol
    —— 4-(2,5-difluorophenyl)-2-(3-hydroxyphenyl)-1-L-valyl-2,5-dihydro-1H-pyrrole trifluoroacetate salt 639074-77-4 C2HF3O2*C21H22F2N2O2
    4-(2,5-difluorophenyl)-2-(3-hydroxyphenyl)-1-L-valyl-2,5-dihydro-1H-pyrrole trifluoroacetate salt
    —— 4-(4-benzoylamino-phenylamino)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid 1203510-20-6 C21H15N5O4
    4-(4-benzoylamino-phenylamino)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid
    —— 4,4-Dimethyl-5-phenyl-2-vinyl-1-oxa-spiro[2.3]hexane 135748-60-6 C15H18O
    4,4-Dimethyl-5-phenyl-2-vinyl-1-oxa-spiro[2.3]hexane
    —— 4'-(N,N-Dimethylamino)-α-naphthyl-3-hydroxychromone 173289-77-5 C21H17NO3
    4'-(N,N-Dimethylamino)-α-naphthyl-3-hydroxychromone
    —— 4-{[2-({4-[(1-azabicyclo[2.2.2]oct-3-ylamino)carbonyl]phenyl}amino)-1-methyl-1H-benzimidazol-5-yl]oxy}-N-methylpyridine-2-carboxamide 611220-64-5 C29H31N7O3
    4-{[2-({4-[(1-azabicyclo[2.2.2]oct-3-ylamino)carbonyl]phenyl}amino)-1-methyl-1H-benzimidazol-5-yl]oxy}-N-methylpyridine-2-carboxamide
    —— 4-(2-Chlorophenyl)-9-hydroxy-6-methyl-8-[3-(1-pyrrolidinyl)propoxy]pyrrolo[3,4-c]carbazole-1,3(2H,6H)-dione 622857-55-0 C28H26ClN3O4
    4-(2-Chlorophenyl)-9-hydroxy-6-methyl-8-[3-(1-pyrrolidinyl)propoxy]pyrrolo[3,4-c]carbazole-1,3(2H,6H)-dione
    —— 4-methyl-benzoic acid; mercury(II) salt 15640-59-2 2C8H7O2*Hg
    4-methyl-benzoic acid; mercury(II) salt
    —— 4-pentenyl 2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->3)-2,4-di-O-benzyl-6-O-triisopropylsilyl-β-D-mannospyranoside 429679-60-7 C63H82O12Si
    4-pentenyl 2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->3)-2,4-di-O-benzyl-6-O-triisopropylsilyl-β-D-mannospyranoside
    —— 4-[1-(2,4-Dichloro-phenyl)-meth-(Z)-ylideneaminooxy]-3-nitro-benzoic acid methyl ester 61101-18-6 C15H10Cl2N2O5
    4-[1-(2,4-Dichloro-phenyl)-meth-(Z)-ylideneaminooxy]-3-nitro-benzoic acid methyl ester
    —— 4-Amino-6-isopropyloxypyrimidin 3289-45-0 C7H11N3O
    4-Amino-6-isopropyloxypyrimidin
    —— 4-chloro-N-(2,2,2-trifluoro-1-phenylethylidene)benzenamine 1240307-78-1 C14H9ClF3N
    4-chloro-N-(2,2,2-trifluoro-1-phenylethylidene)benzenamine
    —— (4S,5R)-4-acetamido-5-acetoxy-7-methyl-1-octene 497100-04-6 C13H23NO3
    (4S,5R)-4-acetamido-5-acetoxy-7-methyl-1-octene
    —— 4-N-[(4-aminoanilino)methyl]benzene-1,4-diamine 872411-57-9 C13H16N4
    4-N-[(4-aminoanilino)methyl]benzene-1,4-diamine
    —— 4-[1-[4-(2-Hydroxycyclopentyloxy)phenyl]-2-pyrrolidon-4-yl]methoxybenzoic acid 133747-53-2 C23H25NO6
    4-[1-[4-(2-Hydroxycyclopentyloxy)phenyl]-2-pyrrolidon-4-yl]methoxybenzoic acid
    —— 4-Brom-phenyl-<2-(4-carbobutyloxy-anilino)-(2-phenyl-ethyl)>-keton 103990-92-7 C26H26BrNO3
    4-Brom-phenyl-<2-(4-carbobutyloxy-anilino)-(2-phenyl-ethyl)>-keton
    —— 4-Nitro-monothiozimtsaeure-(4-nitro-benzylester) 97492-56-3 C16H12N2O5S
    4-Nitro-monothiozimtsaeure-(4-nitro-benzylester)
    —— 4-Dehydro-sabine-orthoacetat-3,16-diacetat 111637-62-8 C33H47NO9
    4-Dehydro-sabine-orthoacetat-3,16-diacetat
    —— 4-<4-Chlor-2-nitro-phenylazo>-2-methyl-phenol 92044-71-8 C13H10ClN3O3
    4-<4-Chlor-2-nitro-phenylazo>-2-methyl-phenol
    —— 4-phenyl-<i>trans</i>-cinnamic acid-(2-dipropylamino-ethyl ester) 102762-37-8 C23H29NO2
    4-phenyl-<i>trans</i>-cinnamic acid-(2-dipropylamino-ethyl ester)
    —— 4-methyl-2-prop-2-ynylmercapto-thiazole-5-carboxylic acid methyl ester 103441-75-4 C9H9NO2S2
    4-methyl-2-prop-2-ynylmercapto-thiazole-5-carboxylic acid methyl ester
    —— 4-(4-nitro-phenylazo)-benzoic acid cyclohexylamide 102082-18-8 C19H20N4O3
    4-(4-nitro-phenylazo)-benzoic acid cyclohexylamide
    —— 4-Brom-2'-chlor-3-chlorsulfonyl-benzanilid 91843-47-9 C13H8BrCl2NO3S
    4-Brom-2'-chlor-3-chlorsulfonyl-benzanilid
    —— 4-Chloro-N-(4-chloro-3-sulfamoyl-phenyl)-benzamide 91719-16-3 C13H10Cl2N2O3S
    4-Chloro-N-(4-chloro-3-sulfamoyl-phenyl)-benzamide
    —— 4-hydroxy-benzaldehyde-(4-bromo-2,6-dinitro-phenylhydrazone) 99514-94-0 C13H9BrN4O5
    4-hydroxy-benzaldehyde-(4-bromo-2,6-dinitro-phenylhydrazone)
    —— 4-Cyclooctyl-5-sulfanylidene-1,2,4-triazolidin-3-one 1341993-29-0 C10H17N3OS
    4-Cyclooctyl-5-sulfanylidene-1,2,4-triazolidin-3-one
    —— 4-methoxy-6-(2-methoxy-ethyl)-[1,3,5]triazin-2-ylamine 56968-49-1 C7H12N4O2
    4-methoxy-6-(2-methoxy-ethyl)-[1,3,5]triazin-2-ylamine
    —— 4,4-Diphenylcyclobutenon 55701-93-4 C16H12O
    4,4-Diphenylcyclobutenon
    —— 4-amino-N-(3,5-dichlorophenyl)-5-fluoro-N-methyl-2-oxopyrimidine-1-carbothioamide 1265169-83-2 C12H9Cl2FN4OS
    4-amino-N-(3,5-dichlorophenyl)-5-fluoro-N-methyl-2-oxopyrimidine-1-carbothioamide
    —— 4-cyano-N-[(4-cyanophenyl)methyl]-N-(3-phenylpropyl)benzenesulfonamide 1191068-13-9 C24H21N3O2S
    4-cyano-N-[(4-cyanophenyl)methyl]-N-(3-phenylpropyl)benzenesulfonamide
    —— (+/-)-4-amino-1-cyclopent-1-enyl(benzyl)phosphinic acid 872471-68-6 C12H16NO2P
    (+/-)-4-amino-1-cyclopent-1-enyl(benzyl)phosphinic acid
    —— (4S,15aR)-4-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-heptyl]-8-(toluene-4-sulfonyl)-1,4,6,7,8,9,10,11,12,13,15,15a-dodecahydro-5H-4a,8,13-triaza-benzocyclotridecen-14-one 89578-78-9 C34H59N3O4SSi
    (4S,15aR)-4-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-heptyl]-8-(toluene-4-sulfonyl)-1,4,6,7,8,9,10,11,12,13,15,15a-dodecahydro-5H-4a,8,13-triaza-benzocyclotridecen-14-one
    —— 4-Chlor-5-hydroxy-2-methoxybenzofuran 57166-00-4 C9H7ClO3
    4-Chlor-5-hydroxy-2-methoxybenzofuran
    —— 4-Chloro-N-(1-ethyl-prop-2-ynyl)-butyramide 339364-45-3 C9H14ClNO
    4-Chloro-N-(1-ethyl-prop-2-ynyl)-butyramide
    —— 4-amino-3-oxo-2-methylphosphino-L-pentanoic acid 120649-98-1 C6H12NO5P
    4-amino-3-oxo-2-methylphosphino-L-pentanoic acid
    —— 4,4'-bis([N-(2,6-diisopropylphenyl)-2-(2,6-diisopropylphenylimino)propanamidato-κ2-N,O-(trimethylphosphine)nickel(II)]methyl)-1,1'-biphenyl 1244696-74-9 C74H104N4Ni2O2P2
    4,4'-bis([N-(2,6-diisopropylphenyl)-2-(2,6-diisopropylphenylimino)propanamidato-κ2-N,O-(trimethylphosphine)nickel(II)]methyl)-1,1'-biphenyl
    —— 4-ethoxymethyl-2-hydroxy-6-methyl-nicotinic acid amide 872802-16-9 C10H14N2O3
    4-ethoxymethyl-2-hydroxy-6-methyl-nicotinic acid amide
    —— 4-Methyl-2-nitro-1-(tetrahydro-furan-2-yloxy)-pentan-3-ol 87377-93-3 C10H19NO5
    4-Methyl-2-nitro-1-(tetrahydro-furan-2-yloxy)-pentan-3-ol
    —— (4<i>S</i>)-2-((<i>R</i>)-2-<i>tert</i>-butyl-hexyl)-4<i>r</i>-methoxymethyl-5<i>t</i>-phenyl-4,5-dihydro-oxazole 69765-96-4 C21H33NO2
    (4<i>S</i>)-2-((<i>R</i>)-2-<i>tert</i>-butyl-hexyl)-4<i>r</i>-methoxymethyl-5<i>t</i>-phenyl-4,5-dihydro-oxazole
    —— 4-Methyl-benzoic acid (R)-2-hydroxy-3-(toluene-4-sulfonyloxy)-propyl ester 74629-00-8 C18H20O6S
    4-Methyl-benzoic acid (R)-2-hydroxy-3-(toluene-4-sulfonyloxy)-propyl ester
    —— 4-(((2S)-4-((5-nitro-2-thiophenyl)sulfonyl)-2-piperazinyl)methyl)-3,3-dimethyl-2-piperazinone 1361223-76-8 C15H23N5O5S2
    4-(((2S)-4-((5-nitro-2-thiophenyl)sulfonyl)-2-piperazinyl)methyl)-3,3-dimethyl-2-piperazinone
    —— 4-hydroxy-3-(3',5'-dimethoxybiphenyl-4-yl)-5-phenyl-6,7-dihydro-thieno[2,3-b]pyridin-6-one 1194091-35-4 C27H21NO4S
    4-hydroxy-3-(3',5'-dimethoxybiphenyl-4-yl)-5-phenyl-6,7-dihydro-thieno[2,3-b]pyridin-6-one
    —— 4-chloro-3-propylaniline 42045-09-0 C9H12ClN
    4-chloro-3-propylaniline
    —— 4-(6-(morpholin-4-yl)pyridin-3-yl)-N-(3-fluoro-4-(1,5,7-trimethyl-3,7-diazabicyclo[3.3.1]nonan-3-yl)phenyl)pyrimidin-2-amine 1182183-68-1 C29H36FN7O
    4-(6-(morpholin-4-yl)pyridin-3-yl)-N-(3-fluoro-4-(1,5,7-trimethyl-3,7-diazabicyclo[3.3.1]nonan-3-yl)phenyl)pyrimidin-2-amine
    —— 4-{[(2S)-4,4-difluoropyrrolidin-2-yl]methyl}morpholine 2095997-38-7 C9H16F2N2O
    4-{[(2S)-4,4-difluoropyrrolidin-2-yl]methyl}morpholine