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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-hydroxy-1-oxo-N-propan-2-yl-2H-isoquinoline-3-carboxamide 99275-62-4 C13H14N2O3
    4-hydroxy-1-oxo-N-propan-2-yl-2H-isoquinoline-3-carboxamide
    —— 4-trichloroacetyl-1-(2,6-difluorobenzyl)-5-methyl-1H-1,2,3-triazole 1596118-90-9 C12H8Cl3F2N3O
    4-trichloroacetyl-1-(2,6-difluorobenzyl)-5-methyl-1H-1,2,3-triazole
    —— (4S<sup>*</sup>,5R<sup>*</sup>)-4,5-Diacetoxy-5-ethoxymethyl-2-cyclopentenone 112698-69-8 C12H16O6
    (4S<sup>*</sup>,5R<sup>*</sup>)-4,5-Diacetoxy-5-ethoxymethyl-2-cyclopentenone
    —— 4-(1-nitroethylidene)-2,2,5,5-tetramethylimidazolidin-1-oxyl 110863-73-5 C9H16N3O3
    4-(1-nitroethylidene)-2,2,5,5-tetramethylimidazolidin-1-oxyl
    —— 4-(Isocyanatomethyl)cyclohex-1-ene 74572-48-8 C8H11NO
    4-(Isocyanatomethyl)cyclohex-1-ene
    —— 4,7-diacetoxy-6-<i>tert</i>-butyl-3,3-dimethyl-2,3-dihydro-indole 51022-07-2 C18H25NO4
    4,7-diacetoxy-6-<i>tert</i>-butyl-3,3-dimethyl-2,3-dihydro-indole
    —— 4-[5-chloro-6-(1-cyclobutyl-piperidin-4-yloxy)-3-isopropyl-benzofuran-2-carbonyl]-piperazine-1-carboxylic acid methyl ester 1106539-26-7 C27H36ClN3O5
    4-[5-chloro-6-(1-cyclobutyl-piperidin-4-yloxy)-3-isopropyl-benzofuran-2-carbonyl]-piperazine-1-carboxylic acid methyl ester
    —— 4-Carboxy-1-o-chlorphenyl-5-(3-ethyl-5-phenyl-1,2,4-triazol-4-yl)pyrazol 64257-18-7 C20H16ClN5O2
    4-Carboxy-1-o-chlorphenyl-5-(3-ethyl-5-phenyl-1,2,4-triazol-4-yl)pyrazol
    —— 4-Amidinobenzylmalonsaeure-diethylester 52820-93-6 C15H20N2O4
    4-Amidinobenzylmalonsaeure-diethylester
    —— 4-Diisopropylamino-2-phenyl-2-pyridin-2-yl-thiobutyric acid S-ethyl ester 53761-28-7 C23H32N2OS
    4-Diisopropylamino-2-phenyl-2-pyridin-2-yl-thiobutyric acid S-ethyl ester
    —— {[4-(5-bromo-pyridin-3-yl)-benzyl]-methyl-amino}-acetic acid methyl ester 1171896-30-2 C16H17BrN2O2
    {[4-(5-bromo-pyridin-3-yl)-benzyl]-methyl-amino}-acetic acid methyl ester
    —— 4-(1-indan-2-yl-piperidine-4-carbonyl)-morpholine 50823-09-1 C19H26N2O2
    4-(1-indan-2-yl-piperidine-4-carbonyl)-morpholine
    —— 4-{[(4-Chloro-phenyl)-cyano-methyl]-amino}-benzoic acid ethyl ester 60066-01-5 C17H15ClN2O2
    4-{[(4-Chloro-phenyl)-cyano-methyl]-amino}-benzoic acid ethyl ester
    —— 4-[1-Ethoxy-3,3,3-trifluoro-2-trifluoromethyl-prop-(Z)-ylideneamino]-benzoic acid ethyl ester 59758-08-6 C15H15F6NO3
    4-[1-Ethoxy-3,3,3-trifluoro-2-trifluoromethyl-prop-(Z)-ylideneamino]-benzoic acid ethyl ester
    —— 4-(2-Ethyl-phenylazo)-1,2,3,5-tetramethyl-3H-imidazol-1-ium 60592-22-5 C15H21N4
    4-(2-Ethyl-phenylazo)-1,2,3,5-tetramethyl-3H-imidazol-1-ium
    —— 4-methylbenzene-1,2-dithiolate;nickel(2+);platinum(2+);4-N,4-N,5-N,5-N-tetramethyl-9,10,14,15,19,20-hexapropyl-2,7,12,17,21,23-hexaza-22,24-diazanidapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1,3,5,7,9,11(23),12,14,16,18(21),19-undecaene-4,5-diamine 217322-36-6 C45H60N10NiPtS2
    4-methylbenzene-1,2-dithiolate;nickel(2+);platinum(2+);4-N,4-N,5-N,5-N-tetramethyl-9,10,14,15,19,20-hexapropyl-2,7,12,17,21,23-hexaza-22,24-diazanidapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1,3,5,7,9,11(23),12,14,16,18(21),19-undecaene-4,5-diamine
    —— 4'-{[1-(1,3-benzothiazol-2-ylmethyl)-4-butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl]methyl}biphenyl-2-carbonitrile 1028731-42-1 C31H28N4OS
    4'-{[1-(1,3-benzothiazol-2-ylmethyl)-4-butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl]methyl}biphenyl-2-carbonitrile
    —— 4H-Phenalenone<1,2-d>imidazol-4-one 81606-60-2 C14H8N2O
    4H-Phenalenone<1,2-d>imidazol-4-one
    —— 4-(1,4-dioxahept-6-enyl)nitrobenzene 374588-10-0 C11H13NO4
    4-(1,4-dioxahept-6-enyl)nitrobenzene
    —— 4,10-bis[((S)-1-phenyl-ethylcarbamoyl)-methyl]-1,4,7,10-tetraaza-cyclododecane-1,7-dicarboxylic acid dibenzyl ester 1134189-81-3 C44H54N6O6
    4,10-bis[((S)-1-phenyl-ethylcarbamoyl)-methyl]-1,4,7,10-tetraaza-cyclododecane-1,7-dicarboxylic acid dibenzyl ester
    —— 4-nitroisoborneol 56662-41-0 C10H17NO3
    4-nitroisoborneol
    —— 4-{2-oxo-2-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diaza-spiro[2.5]oct-4-yl]-ethyl}-benzenesulfonamide 1261356-24-4 C20H22N6O3S
    4-{2-oxo-2-[7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-4,7-diaza-spiro[2.5]oct-4-yl]-ethyl}-benzenesulfonamide
    —— 4-chloro-6-methoxy-2-ethyl-2H-pyran-3(6H)-one 72622-91-4 C8H11ClO3
    4-chloro-6-methoxy-2-ethyl-2H-pyran-3(6H)-one
    —— 4-n-Propyl-3-<α-(benzylidenamino)-benzyloxyamino>-5-phenyl-3-pyrrolin-2-on 61049-85-2 C27H27N3O2
    4-n-Propyl-3-<α-(benzylidenamino)-benzyloxyamino>-5-phenyl-3-pyrrolin-2-on
    —— 4,4-Dimethyl-3-aza-tricyclo[5.3.2.0<sup>1,5</sup>]dodeca-5,11-dien-2-one 62696-32-6 C13H17NO
    4,4-Dimethyl-3-aza-tricyclo[5.3.2.0<sup>1,5</sup>]dodeca-5,11-dien-2-one
    —— 4,4'-bis<β-(phenyltelluro)vinyl>azobenzene 122540-45-8 C28H22N2Te2
    4,4'-bis<β-(phenyltelluro)vinyl>azobenzene
    —— 4-Methoxy-6-sulfanylidenecyclohexa-2,4-dien-1-one 951754-68-0 C7H6O2S
    4-Methoxy-6-sulfanylidenecyclohexa-2,4-dien-1-one
    —— 4-Chloro-N-(2,6-dimethyl-phenyl)-5-dimethylsulfamoyl-2-methoxy-benzamide 55488-62-5 C18H21ClN2O4S
    4-Chloro-N-(2,6-dimethyl-phenyl)-5-dimethylsulfamoyl-2-methoxy-benzamide
    —— 4-(5-Isopropyl-4-methoxy-2-methyl-phenyl)-3-[(2-methoxy-phenyl)-hydrazono]-1-phenyl-3H-pyridine-2,6-dione 60822-83-5 C29H29N3O4
    4-(5-Isopropyl-4-methoxy-2-methyl-phenyl)-3-[(2-methoxy-phenyl)-hydrazono]-1-phenyl-3H-pyridine-2,6-dione
    —— 4-(dibenzothiophen-1-yl)-phenol 252057-33-3 C18H12OS
    4-(dibenzothiophen-1-yl)-phenol
    —— 4-Methylsulfanyl-2,6-diphenyl-pyrimidine-5-carboxylic acid isopropyl ester 98010-96-9 C21H20N2O2S
    4-Methylsulfanyl-2,6-diphenyl-pyrimidine-5-carboxylic acid isopropyl ester
    —— 4-[(E)-2-(4,5-dihydro-1H-imidazol-2-yl)-1-phenylethenyl]pyridine 76132-62-2 C16H15N3
    4-[(E)-2-(4,5-dihydro-1H-imidazol-2-yl)-1-phenylethenyl]pyridine
    —— 4-[2-Amino-4-(4-hydroxy-phenyl)-thiazol-5-ylazo]-N-(2-methyl-pyrimidin-4-yl)-benzenesulfonamide 103726-72-3 C20H17N7O3S2
    4-[2-Amino-4-(4-hydroxy-phenyl)-thiazol-5-ylazo]-N-(2-methyl-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-(1-benzyl-1H-indol-5-ylamino)-6-nitro-7-(tetrahydrofuran-3-yl-oxy)quinoline-3-carbonitrile 1351942-87-4 C29H23N5O4
    4-(1-benzyl-1H-indol-5-ylamino)-6-nitro-7-(tetrahydrofuran-3-yl-oxy)quinoline-3-carbonitrile
    —— 4-[2-[Bis(3-aminopropyl)amino]ethyl]phenol 532381-67-2 C14H25N3O
    4-[2-[Bis(3-aminopropyl)amino]ethyl]phenol
    —— 4-(4-(methylthio)phenyl)octahydro-2H-pyrano[2,3-d]pyrimidine-2-thione 1353899-34-9 C14H18N2OS2
    4-(4-(methylthio)phenyl)octahydro-2H-pyrano[2,3-d]pyrimidine-2-thione
    —— 4-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)-butyryl chloride 80760-98-1 C16H19ClO
    4-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)-butyryl chloride
    —— 4-(1,4-dibenzyl-piperazin-2-ylmethyl)-morpholine 70403-22-4 C23H31N3O
    4-(1,4-dibenzyl-piperazin-2-ylmethyl)-morpholine
    —— [4-Chloro-2-(1H-indol-3-yl)-phenyl]-dimethyl-amine 36256-06-1 C16H15ClN2
    [4-Chloro-2-(1H-indol-3-yl)-phenyl]-dimethyl-amine
    —— 4,4',4''-Trinitro-o-terphenyl 60366-46-3 C18H11N3O6
    4,4',4''-Trinitro-o-terphenyl
    —— 4,6-Bis-(4-methyl-benzyl)-isophthalonitrile 56888-50-7 C24H20N2
    4,6-Bis-(4-methyl-benzyl)-isophthalonitrile
    —— 4-(4-Hydroxy-3-hydroxymethyl-2-butenyl)indol 60884-70-0 C13H15NO2
    4-(4-Hydroxy-3-hydroxymethyl-2-butenyl)indol
    —— 4,5,5-trimethyl-1-oxy-4,5-dihydro-3<i>H</i>-pyrrole-2-carbaldehyde oxime 61856-76-6 C8H14N2O2
    4,5,5-trimethyl-1-oxy-4,5-dihydro-3<i>H</i>-pyrrole-2-carbaldehyde oxime
    —— 4-({3,4-dioxo-2-[(1-pyridin-4-ylethyl)amino]cyclobut-1-en-1-yl}amino)-3-hydroxy-N,N-dimethylpyridine-2-carboxamide 1255915-79-7 C19H19N5O4
    4-({3,4-dioxo-2-[(1-pyridin-4-ylethyl)amino]cyclobut-1-en-1-yl}amino)-3-hydroxy-N,N-dimethylpyridine-2-carboxamide
    —— 4,7-Dimethyl-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinoline-9-carboxylic acid 2-hydroxy-propyl ester; compound with (Z)-but-2-enedioic acid 34336-77-1 C4H4O4*C20H26N2O3
    4,7-Dimethyl-4,6,6a,7,8,9,10,10a-octahydro-indolo[4,3-fg]quinoline-9-carboxylic acid 2-hydroxy-propyl ester; compound with (Z)-but-2-enedioic acid
    —— 4,4'''-di(2-biphenylyl)-o-quaterphenyl 78486-70-1 C48H34
    4,4'''-di(2-biphenylyl)-o-quaterphenyl
    —— (4-chloro-benzylidene)-[5-(2-fluoro-phenyl)-[1,3,4]thiadiazol-2-yl]-amine 59565-57-0 C15H9ClFN3S
    (4-chloro-benzylidene)-[5-(2-fluoro-phenyl)-[1,3,4]thiadiazol-2-yl]-amine
    —— 4-tert-Butyl-2,6,6-trimethyl-cyclohex-2-enone 55234-09-8 C13H22O
    4-tert-Butyl-2,6,6-trimethyl-cyclohex-2-enone
    —— 4-Phenoxy-1-p-tolyl-but-2-yn-1-one 56559-01-4 C17H14O2
    4-Phenoxy-1-p-tolyl-but-2-yn-1-one
    —— (4-Chlor-2-nitroanilino)diphenylessigsaeure 55434-67-8 C20H15ClN2O4
    (4-Chlor-2-nitroanilino)diphenylessigsaeure