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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-chloro-6-phenyl-5,6,7,8-tetrahydro-quinazolin-2-ylamine 13658-23-6 C14H14ClN3
    4-chloro-6-phenyl-5,6,7,8-tetrahydro-quinazolin-2-ylamine
    —— 4-(2.4-Dinitrophenyl)-bicyclo<2.2.2>octan-1-carbonsaeure 10207-28-0 C15H16N2O6
    4-(2.4-Dinitrophenyl)-bicyclo<2.2.2>octan-1-carbonsaeure
    —— 4,6-Dinitro-benzo[1,2,5]oxadiazole 1-oxide; compound with 2-chloro-phenylamine 91869-95-3 C6H2N4O6*C6H6ClN
    4,6-Dinitro-benzo[1,2,5]oxadiazole 1-oxide; compound with 2-chloro-phenylamine
    —— 4-Benzyl-5,5-dimethyl-4,5,6,7-tetrahydrofuro<3,2-c>pyridiniumiodid 76312-01-1 C16H20NO*I
    4-Benzyl-5,5-dimethyl-4,5,6,7-tetrahydrofuro<3,2-c>pyridiniumiodid
    —— 4-methoxy-3-(4-octyloxybenzamido)-N-pentylbenzamide 135239-78-0 C28H40N2O4
    4-methoxy-3-(4-octyloxybenzamido)-N-pentylbenzamide
    —— 4-((S)-2-benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-hydroxy-azepane-1-carboxylic acid tert butyl ester 281219-29-2 C25H39N3O6
    4-((S)-2-benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-hydroxy-azepane-1-carboxylic acid tert butyl ester
    —— 4-[[1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]-hydroxymethyl]benzonitrile 213037-77-5 C29H45N3O6Si2
    4-[[1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]-hydroxymethyl]benzonitrile
    —— 4,4,5,5-tetramethyl-2-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1,3,2-dioxaborolane 1207970-76-0 C22H22BF3O2S
    4,4,5,5-tetramethyl-2-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1,3,2-dioxaborolane
    —— (4E)-ethyl-6-benzyloxy-2-methyl hexenoate 127949-89-7 C16H22O3
    (4E)-ethyl-6-benzyloxy-2-methyl hexenoate
    —— (4Z,9Z,15Z)-17-Ethyl-1,19-dioxo-3,3,7,8,13,18-hexamethyl-1,2,3,19,23,24-hexahydro-21H-bilin-12-N-<(S)-phenylalaninethylester>-propionsaeureamid 100923-25-9 C41H49N5O5
    (4Z,9Z,15Z)-17-Ethyl-1,19-dioxo-3,3,7,8,13,18-hexamethyl-1,2,3,19,23,24-hexahydro-21H-bilin-12-N-<(S)-phenylalaninethylester>-propionsaeureamid
    —— 4,5-[1,2-dicarba-closo-dodecaborano(12)]-1,3,2-dithiaphospholane 1579224-16-0 C2H11B10PS2
    4,5-[1,2-dicarba-closo-dodecaborano(12)]-1,3,2-dithiaphospholane
    —— 4-[5,7,7,10,10-Pentamethyl-2-[[4-(trifluoromethoxy)phenyl]sulfamoyl]-8,9-dihydronaphtho[2,3-b][1,5]benzodiazepin-12-yl]benzoic acid 951219-83-3 C36H34F3N3O5S
    4-[5,7,7,10,10-Pentamethyl-2-[[4-(trifluoromethoxy)phenyl]sulfamoyl]-8,9-dihydronaphtho[2,3-b][1,5]benzodiazepin-12-yl]benzoic acid
    —— (4S)-4-benzyl-3-[(2R)-3-(4-methoxyphenyl)-2-methyl-3-thiophen-2-ylpropanoyl]-1,3-oxazolidin-2-one 1415210-10-4 C25H25NO4S
    (4S)-4-benzyl-3-[(2R)-3-(4-methoxyphenyl)-2-methyl-3-thiophen-2-ylpropanoyl]-1,3-oxazolidin-2-one
    —— 4-(5,5-dimethyl-cyclohex-1-enyl)-butyric acid 100314-79-2 C12H20O2
    4-(5,5-dimethyl-cyclohex-1-enyl)-butyric acid
    —— 4-[bis-(2-chloro-ethyl)-amino]-benzaldehyde hydrazone 99858-24-9 C11H15Cl2N3
    4-[bis-(2-chloro-ethyl)-amino]-benzaldehyde hydrazone
    —— 4-Chlor-5-brom-O-acetyl-7-methyl-indoxyl 3030-02-2 C11H9BrClNO2
    4-Chlor-5-brom-O-acetyl-7-methyl-indoxyl
    —— 4-carboxybenzenethiolate;diphenyl(pyridin-2-yl)phosphane;gold(1+) 346706-18-1 C24H19AuNO2PS
    4-carboxybenzenethiolate;diphenyl(pyridin-2-yl)phosphane;gold(1+)
    —— 4,6-Bis-methylamino-5-methyliminomethyl-pyrimidin 14160-97-5 C8H13N5
    4,6-Bis-methylamino-5-methyliminomethyl-pyrimidin
    —— [4-(3-ethyl-4-phenylethynylphenylethynyl)-3-fluorophenylethynyl]trimethylsilane 518342-96-6 C29H25FSi
    [4-(3-ethyl-4-phenylethynylphenylethynyl)-3-fluorophenylethynyl]trimethylsilane
    —— [4-(dimethylamino-phenyl-methyl)-cyclohexylidene]-acetic acid ethyl ester 943002-81-1 C19H27NO2
    [4-(dimethylamino-phenyl-methyl)-cyclohexylidene]-acetic acid ethyl ester
    —— 4-hydroxy-3-(3'-hydroxymethylbiphenyl-4-yl)-5-(pyridine-3-yl)-6,7-dihydro-thieno[2,3-b]pyridin-6-one 1194090-94-2 C25H18N2O3S
    4-hydroxy-3-(3'-hydroxymethylbiphenyl-4-yl)-5-(pyridine-3-yl)-6,7-dihydro-thieno[2,3-b]pyridin-6-one
    —— (4Z,10Z,15Z,19Z)-7,17-Diethyl-3,8,13,18-tetramethyl-22,24-dihydro-porphine-2,12-dicarboxylic acid diethyl ester 85048-69-7 C34H38N4O4
    (4Z,10Z,15Z,19Z)-7,17-Diethyl-3,8,13,18-tetramethyl-22,24-dihydro-porphine-2,12-dicarboxylic acid diethyl ester
    —— 4-(5-heptyl-1,2,4-oxadiazol-3-yl)pyridine 929101-76-8 C14H19N3O
    4-(5-heptyl-1,2,4-oxadiazol-3-yl)pyridine
    —— 4-(o-carboxyphenylamino)-5-methyl-2-methylthiopyrimidine 532931-23-0 C13H13N3O2S
    4-(o-carboxyphenylamino)-5-methyl-2-methylthiopyrimidine
    —— 4-acetamino-androsta-1,4-diene-3,17-dione 159354-68-4 C21H27NO3
    4-acetamino-androsta-1,4-diene-3,17-dione
    —— (4S,5R)-2,2,2,4,5-Pentaphenyl-2λ5-[1,3,2]dioxaphospholane 104833-17-2 C32H27O2P
    (4S,5R)-2,2,2,4,5-Pentaphenyl-2λ5-[1,3,2]dioxaphospholane
    —— 4-(Cbz-Leu-amido)-6-fluoro-5-hydroxy-hexanoic acid amide 791074-46-9 C20H30FN3O5
    4-(Cbz-Leu-amido)-6-fluoro-5-hydroxy-hexanoic acid amide
    —— (4R,5R)-2,2-Dimethyl-4-((2Z,5E)-octa-2,5-dienyl)-5-((Z)-pent-2-en-4-ynyl)-[1,3]dioxolane 37866-28-7 C18H26O2
    (4R,5R)-2,2-Dimethyl-4-((2Z,5E)-octa-2,5-dienyl)-5-((Z)-pent-2-en-4-ynyl)-[1,3]dioxolane
    —— 4-Bromospiro[indoline-3,4'-piperidin]-2-one 1713164-01-2 C12H13BrN2O
    4-Bromospiro[indoline-3,4'-piperidin]-2-one
    —— 4-Hydroxy-2-isopropyl-isoindole-1,3-dione 3740-30-5 C11H11NO3
    4-Hydroxy-2-isopropyl-isoindole-1,3-dione
    —— (4-hydroxyphenyl)sulfurimidoyl difluoride 660-33-3 C6H5F2NO2S
    (4-hydroxyphenyl)sulfurimidoyl difluoride
    —— 4-(5,6-Dichloro-3-ethyl-2-{3-[1-(3-sulfopropyl)naphtho[1,2-d][1,3]thiazol-2(1H)-ylidene]prop-1-en-1-yl}-1H-benzimidazol-3-ium-1-yl)butane-2-sulfonate--N,N-diethylethanamine (1/1) 63148-94-7 C36H46Cl2N4O6S3
    4-(5,6-Dichloro-3-ethyl-2-{3-[1-(3-sulfopropyl)naphtho[1,2-d][1,3]thiazol-2(1H)-ylidene]prop-1-en-1-yl}-1H-benzimidazol-3-ium-1-yl)butane-2-sulfonate--N,N-diethylethanamine (1/1)
    —— 4-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethyl[1,1'-biphenyl]-3-methanaminium 7782-34-5 C19H25N2O2+
    4-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethyl[1,1'-biphenyl]-3-methanaminium
    —— [4-[5-[2-Fluoro-4-(3-fluorophenyl)-5-methoxyphenyl]-1,2,4-oxadiazol-3-yl]-2-(hydroxymethyl)phenyl]methanol 1192549-03-3 C23H18F2N2O4
    [4-[5-[2-Fluoro-4-(3-fluorophenyl)-5-methoxyphenyl]-1,2,4-oxadiazol-3-yl]-2-(hydroxymethyl)phenyl]methanol
    —— (4-chloro-2-fluoro-3-hydroxy-phenyl)-acetic acid ethyl ester 868071-08-3 C10H10ClFO3
    (4-chloro-2-fluoro-3-hydroxy-phenyl)-acetic acid ethyl ester
    —— 4-Butoxycarbonyloxy-benzoic acid 4-propoxy-phenyl ester 33926-40-8 C21H24O6
    4-Butoxycarbonyloxy-benzoic acid 4-propoxy-phenyl ester
    —— 4-Dimethylamino-6-methyl-azulen 63506-01-4 C13H15N
    4-Dimethylamino-6-methyl-azulen
    —— 4-hydroxy-5-methyl-6-{4-[(3aR,4R,7aS)-4-(methylamino)octahydro-2H-isoindol-2-yl]phenyl}-2-oxo-1,2-dihydropyridine-3-carboxylic acid hydrochloride 1426667-10-8 C22H27N3O4*ClH
    4-hydroxy-5-methyl-6-{4-[(3aR,4R,7aS)-4-(methylamino)octahydro-2H-isoindol-2-yl]phenyl}-2-oxo-1,2-dihydropyridine-3-carboxylic acid hydrochloride
    —— 4,5-dimethylhex-3-en-1-ol 96308-71-3 C8H16O
    4,5-dimethylhex-3-en-1-ol
    —— 4-benzoyloxy-7-[4-fluoro-2-(morpholine-4-carbonyl)-benzyl]-1-methyl-2-oxo-1,2-dihydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester 926041-67-0 C31H28FN3O7
    4-benzoyloxy-7-[4-fluoro-2-(morpholine-4-carbonyl)-benzyl]-1-methyl-2-oxo-1,2-dihydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester
    —— 4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid [2-(5-methyl-2-phenyl-oxazol-4-yl)-ethyl]-amide 1426443-32-4 C21H23N5O3
    4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid [2-(5-methyl-2-phenyl-oxazol-4-yl)-ethyl]-amide
    —— 4-[benzoyl-(3-methoxybenzyl)-amino]-5,7-dichloronaphthalene-2-carboxylic acid 1426383-06-3 C26H19Cl2NO4
    4-[benzoyl-(3-methoxybenzyl)-amino]-5,7-dichloronaphthalene-2-carboxylic acid
    —— 4-bromo-N-[1-(4-chlorophenyl)ethenyl]-N-(1-phenylethenyl)aniline 1256159-27-9 C22H17BrClN
    4-bromo-N-[1-(4-chlorophenyl)ethenyl]-N-(1-phenylethenyl)aniline
    —— 4-(2-{(2R)-2-[(1E,3S)-3-hydroxy-3-(1-propylcyclobutyl)prop-1-enyl]-5-oxopyrrolidin-1-yl}ethyl)benzoic acid 635310-85-9 C23H31NO4
    4-(2-{(2R)-2-[(1E,3S)-3-hydroxy-3-(1-propylcyclobutyl)prop-1-enyl]-5-oxopyrrolidin-1-yl}ethyl)benzoic acid
    —— 4-(4'-Methylbenzoyl)-3-nitro-5-sulfamylbenzoesaeure 36130-86-6 C15H12N2O7S
    4-(4'-Methylbenzoyl)-3-nitro-5-sulfamylbenzoesaeure
    —— [4-(2-Acetyl-3-oxo-but-1-enyl)-3-chloro-phenyl]-acetic acid 34841-50-4 C14H13ClO4
    [4-(2-Acetyl-3-oxo-but-1-enyl)-3-chloro-phenyl]-acetic acid
    —— 4-hydroxy-5-isopropyl-6-(1-methyl-2-(pyrrolidin-1-ylmethyl)-1H-indol-5-yl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426526-87-5 C23H27N3O4
    4-hydroxy-5-isopropyl-6-(1-methyl-2-(pyrrolidin-1-ylmethyl)-1H-indol-5-yl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid [2-(3-phenyl-[1,2,4]oxadiazol-5-yl)-ethyl]-amide 1426443-15-3 C19H20N6O3
    4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid [2-(3-phenyl-[1,2,4]oxadiazol-5-yl)-ethyl]-amide
    —— 4-methyl-8-nitroquinolin-2-ol 855176-67-9 C10H8N2O3
    4-methyl-8-nitroquinolin-2-ol
    —— 4-[diisopropyl(4-N,N-dimethylamino-E-styryl)silyl]-E-stilbene 1361989-86-7 C30H37NSi
    4-[diisopropyl(4-N,N-dimethylamino-E-styryl)silyl]-E-stilbene