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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,6-dimethoxy-3-phenyl-3a,4,6,6a-tetrahydro-furo[3,4-d]isoxazole 32527-66-5 C13H15NO4
    4,6-dimethoxy-3-phenyl-3a,4,6,6a-tetrahydro-furo[3,4-d]isoxazole
    —— (4-Methoxy-phenyl)-phosphoramidic acid (2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester 81196-21-6 C29H28ClN4O8P
    (4-Methoxy-phenyl)-phosphoramidic acid (2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-hydroxymethyl-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester
    —— 4-((3-aminopropyl)amino)-N,N-diethylbenzenesulfonamide 1225374-90-2 C13H23N3O2S
    4-((3-aminopropyl)amino)-N,N-diethylbenzenesulfonamide
    —— 4,5-difluoro-N6-(2-fluoro-4-iodo-phenyl)-benzofuran-6,7-diamine 1311401-75-8 C14H8F3IN2O
    4,5-difluoro-N6-(2-fluoro-4-iodo-phenyl)-benzofuran-6,7-diamine
    —— 4-nitrophenyl methylphosphoramidochloridate 82960-74-5 C7H8ClN2O4P
    4-nitrophenyl methylphosphoramidochloridate
    —— 4-diethylphosphono-2,6-dimethyl-3-iodoanisole 222839-17-0 C13H20IO4P
    4-diethylphosphono-2,6-dimethyl-3-iodoanisole
    —— 4-(2,4-dimethoxybenzyl)-3-oxo-2-(4-(trifluoromethyl)phenyl)-1,4-diazaspiro[4.5]dec-1-ene 1-oxide 1369762-39-9 C24H25F3N2O4
    4-(2,4-dimethoxybenzyl)-3-oxo-2-(4-(trifluoromethyl)phenyl)-1,4-diazaspiro[4.5]dec-1-ene 1-oxide
    —— [4-(2-methoxy-phenyl)-5-(2-phenyl-quinolin-4-yl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid 74270-98-7 C26H20N4O3S
    [4-(2-methoxy-phenyl)-5-(2-phenyl-quinolin-4-yl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid
    —— 4,6-dimethoxy-3-(3,5-dimethoxyphenyl)-1H-indole 1034366-60-3 C18H19NO4
    4,6-dimethoxy-3-(3,5-dimethoxyphenyl)-1H-indole
    —— 4-Phenyl-1-propyl-pyrimidin-2(1H)-on 38747-58-9 C13H14N2O
    4-Phenyl-1-propyl-pyrimidin-2(1H)-on
    —— (4R,5R)-5-(3-methoxyphenyl)-4-(3-((6-methylpyridin-2-yl)ethynyl)phenyl)oxazolidin-2-one 1375749-71-5 C24H20N2O3
    (4R,5R)-5-(3-methoxyphenyl)-4-(3-((6-methylpyridin-2-yl)ethynyl)phenyl)oxazolidin-2-one
    —— (4-bromophenyl)(phenyl) methanamine 73006-88-9 C13H12BrN
    (4-bromophenyl)(phenyl) methanamine
    —— 4-Methoxy-2,3-dimethyl-benzol-sulfonamid-(1) 90643-83-7 C9H13NO3S
    4-Methoxy-2,3-dimethyl-benzol-sulfonamid-(1)
    —— 4-Thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-((tetrahydro-3-thienyl)thio)-, S-oxide, monosodium salt, (5R-(5alpha,6alpha(R*)))- 96865-21-3 C12H14NNaO5S3
    4-Thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-((tetrahydro-3-thienyl)thio)-, S-oxide, monosodium salt, (5R-(5alpha,6alpha(R*)))-
    —— 4,4'-(15,20-Diphenyl-21H,23H-porphine-5,10-diyl)bis(1-methylpyridinium) 71183-09-0 C44H34N6+2
    4,4'-(15,20-Diphenyl-21H,23H-porphine-5,10-diyl)bis(1-methylpyridinium)
    —— 4,4-dimethylpiperazinium-1-carbodithioic acid 3-cyano-3,3-diphenylpropyl ester iodide 1309367-19-8 C23H28N3S2*I
    4,4-dimethylpiperazinium-1-carbodithioic acid 3-cyano-3,3-diphenylpropyl ester iodide
    —— 4-Butyl-N-methyl-N-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)-benzamide 194155-14-1 C20H20N2O3
    4-Butyl-N-methyl-N-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)-benzamide
    —— 4-(4-chloro-benzyl)-2-methyl-5-phenyl-oxazole 109248-14-8 C17H14ClNO
    4-(4-chloro-benzyl)-2-methyl-5-phenyl-oxazole
    —— 4-ethyl 1,2-diisopropyl 6-ethyl-3,6-dihydropyridazine-1,2,4-tricarboxylate 1357084-24-2 C17H28N2O6
    4-ethyl 1,2-diisopropyl 6-ethyl-3,6-dihydropyridazine-1,2,4-tricarboxylate
    —— (+/-)-4-[1-(4-cyanophenyl)-5-(3-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]benzoic acid 1242145-05-6 C24H19N3O3
    (+/-)-4-[1-(4-cyanophenyl)-5-(3-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]benzoic acid
    —— 4-fluorobenzylbis(dimethylglyoximato)(triphenylphosphine)rhodium(III) 42539-63-9 C33H35FN4O4PRh
    4-fluorobenzylbis(dimethylglyoximato)(triphenylphosphine)rhodium(III)
    —— 4-nitrophenyl 2,2-difluorocyclopropyl ketone 1461634-28-5 C10H7F2NO3
    4-nitrophenyl 2,2-difluorocyclopropyl ketone
    —— 4,4'-(2-(4-tert-butylphenyl)cyclopent-3-ene-1,3-diyl)dianiline 1382250-50-1 C27H30N2
    4,4'-(2-(4-tert-butylphenyl)cyclopent-3-ene-1,3-diyl)dianiline
    —— 4-((2-(2-chloro-6-fluorophenyl)-4-cyanooxazol-5-yl)amino)benzoic acid 1450881-76-1 C17H9ClFN3O3
    4-((2-(2-chloro-6-fluorophenyl)-4-cyanooxazol-5-yl)amino)benzoic acid
    —— 4,4'-dicyano-3,3',5,5'-tetrakis-(2-methoxy-ethoxymethyl)-biphenyl 300539-79-1 C30H40N2O8
    4,4'-dicyano-3,3',5,5'-tetrakis-(2-methoxy-ethoxymethyl)-biphenyl
    —— 4-benzyl-4-dimethylaminomethyl-1-methylamino-cyclohexane carbonitrile 1189796-01-7 C18H27N3
    4-benzyl-4-dimethylaminomethyl-1-methylamino-cyclohexane carbonitrile
    —— 4-Chlor-3,5-dibenzyloxyphenol 65658-29-9 C20H17ClO3
    4-Chlor-3,5-dibenzyloxyphenol
    —— (4R,5R)-4,5-Bis-(1-methoxy-1-methyl-ethyl)-[1,3,2]dioxaphospholane 2-oxide 99267-99-9 C10H21O5P
    (4R,5R)-4,5-Bis-(1-methoxy-1-methyl-ethyl)-[1,3,2]dioxaphospholane 2-oxide
    —— 4-acetamido-4-anilino-3,5-dimethyl-2,5-cyclohexadien-1-one 74827-89-7 C16H18N2O2
    4-acetamido-4-anilino-3,5-dimethyl-2,5-cyclohexadien-1-one
    —— 4-((((4-aminophenyl)(4-bromophenyl)methylene)hydrazineylidene)(3,4-dimethylphenyl)methyl)-2-methylaniline 71968-91-7 C29H27BrN4
    4-((((4-aminophenyl)(4-bromophenyl)methylene)hydrazineylidene)(3,4-dimethylphenyl)methyl)-2-methylaniline
    —— 4-(1-((3-chlorophenyl)(pyrimidin-2-yl)amino)ethyl)-7,8-difluoroquinolin-2(1H)-one 1125861-90-6 C21H15ClF2N4O
    4-(1-((3-chlorophenyl)(pyrimidin-2-yl)amino)ethyl)-7,8-difluoroquinolin-2(1H)-one
    —— [4-(3-bromo-propoxy)-3,5-dimethoxy-phenyl]-carbamic acid tert-butyl ester 700804-61-1 C16H24BrNO5
    [4-(3-bromo-propoxy)-3,5-dimethoxy-phenyl]-carbamic acid tert-butyl ester
    —— 4-benzyl-2-hydroxy-2-methyl-1-oxo-1λ4,4-benzothiazin-3-one 74982-58-4 C16H15NO3S
    4-benzyl-2-hydroxy-2-methyl-1-oxo-1λ4,4-benzothiazin-3-one
    —— [4-(6-amino-9H-purin-9-yl)-1,1-difluoro-2-butenyl] phosphonic acid 148749-66-0 C9H10F2N5O3P
    [4-(6-amino-9H-purin-9-yl)-1,1-difluoro-2-butenyl] phosphonic acid
    —— 4-[3-({6-[(3-methoxy-3-methylbutyl)sulfonyl]pyridin-2-yl}oxy)phenyl]-3-methyl-8-(trifluoromethyl)quinoline 1020736-39-3 C28H27F3N2O4S
    4-[3-({6-[(3-methoxy-3-methylbutyl)sulfonyl]pyridin-2-yl}oxy)phenyl]-3-methyl-8-(trifluoromethyl)quinoline
    —— 4-{3-[4-chloro-3-(methylsulfonyl)phenoxy]phenyl}-8-(trifluoromethyl)quinoline 1020741-02-9 C23H15ClF3NO3S
    4-{3-[4-chloro-3-(methylsulfonyl)phenoxy]phenyl}-8-(trifluoromethyl)quinoline
    —— 4-(3,4-dichloro-phenyl)-5-thiophen-2-yl-1,3-dihydro-imidazole-2-thione 67947-59-5 C13H8Cl2N2S2
    4-(3,4-dichloro-phenyl)-5-thiophen-2-yl-1,3-dihydro-imidazole-2-thione
    —— 4-(2-Amino-ethyl)-cyclohex-4-ene-1,2-diol 69902-97-2 C8H15NO2
    4-(2-Amino-ethyl)-cyclohex-4-ene-1,2-diol
    —— 4,5-Bis-(6-bromo-hexylsulfanyl)-4',5'-bis-methylsulfanyl-[2,2']bi[[1,3]dithiolylidene] 206447-96-3 C20H30Br2S8
    4,5-Bis-(6-bromo-hexylsulfanyl)-4',5'-bis-methylsulfanyl-[2,2']bi[[1,3]dithiolylidene]
    —— 4,5,4',5'-tetrakis-difluoroamino-3,3'-dimethyl-1,1'-(1,2-bis-difluoroamino-ethane-1,2-diyl)-bis-imidazolidin-2-one 20138-60-7 C10H12F12N10O2
    4,5,4',5'-tetrakis-difluoroamino-3,3'-dimethyl-1,1'-(1,2-bis-difluoroamino-ethane-1,2-diyl)-bis-imidazolidin-2-one
    —— 4-Ethoxy-3-oxa-tricyclo[4.2.1.0<sup>2,5</sup>]nonane-4-carbonitrile 27230-00-8 C11H15NO2
    4-Ethoxy-3-oxa-tricyclo[4.2.1.0<sup>2,5</sup>]nonane-4-carbonitrile
    —— 4-{2-[3-(1,1,1,3,5,5,5-heptamethyl-trisiloxan-3-yl)-propoxy]-propyl}-morpholine 33580-74-4 C17H41NO4Si3
    4-{2-[3-(1,1,1,3,5,5,5-heptamethyl-trisiloxan-3-yl)-propoxy]-propyl}-morpholine
    —— (4-methyl-5-propyl-4,5-dihydro-oxazol-2-yl)-(5-nitro-thiazol-2-yl)-amine 24259-12-9 C10H14N4O3S
    (4-methyl-5-propyl-4,5-dihydro-oxazol-2-yl)-(5-nitro-thiazol-2-yl)-amine
    —— 4-Acetoxy-3-allylacetophenon 23345-22-4 C13H14O3
    4-Acetoxy-3-allylacetophenon
    —— [4'-(5-methanesulfonyl-benzooxazol-2-yl)-biphenyl-4-ylmethyl]-phosphonic acid diethyl ester 49744-01-6 C25H26NO6PS
    [4'-(5-methanesulfonyl-benzooxazol-2-yl)-biphenyl-4-ylmethyl]-phosphonic acid diethyl ester
    —— 4,4'-bis-(4-chloro-phenyl)-1,4,1',4'-tetrahydro-1,1'-piperazine-1,4-diyldimethyl-bis-tetrazole-5-thione 16618-48-7 C20H20Cl2N10S2
    4,4'-bis-(4-chloro-phenyl)-1,4,1',4'-tetrahydro-1,1'-piperazine-1,4-diyldimethyl-bis-tetrazole-5-thione
    —— [4-(3,4-Dichloro-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-phenyl]-acetic acid ethyl ester 63061-56-3 C14H11Cl2NO4
    [4-(3,4-Dichloro-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-phenyl]-acetic acid ethyl ester
    —— 4-Oxo-4-(2,3,4-trimethoxy-phenyl)-2-{4-[(3,4,5-trimethoxy-phenylcarbamoyl)-methyl]-piperazin-1-yl}-butyric acid 39900-98-6 C28H37N3O10
    4-Oxo-4-(2,3,4-trimethoxy-phenyl)-2-{4-[(3,4,5-trimethoxy-phenylcarbamoyl)-methyl]-piperazin-1-yl}-butyric acid
    —— 4-benzyl-3-(2-methyl-thiazol-4-ylmethylsulfanyl)-5-sulfamoyl-benzoic acid 51574-11-9 C19H18N2O4S3
    4-benzyl-3-(2-methyl-thiazol-4-ylmethylsulfanyl)-5-sulfamoyl-benzoic acid
    —— 4-{3-[2-(3,5-di-<i>tert</i>-butyl-4-hydroxy-phenethyl)-benzooxazol-5-yl]-propionyl}-morpholine 29109-58-8 C30H40N2O4
    4-{3-[2-(3,5-di-<i>tert</i>-butyl-4-hydroxy-phenethyl)-benzooxazol-5-yl]-propionyl}-morpholine