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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Chloro-2-fluoro-3-methoxyphenylacetonitrile 1323966-29-5 C9H7ClFNO
    4-Chloro-2-fluoro-3-methoxyphenylacetonitrile
    —— 4-Bromo-1-(oxolan-3-yl)-1H-imidazole 1353855-75-0 C7H9BrN2O
    4-Bromo-1-(oxolan-3-yl)-1H-imidazole
    —— 4-[(E)-2-(4-Dimethylaminophenylvinyl)]quinolizinium Hexafluorophosphate 1491151-73-5 C19H19N2*F6P
    4-[(E)-2-(4-Dimethylaminophenylvinyl)]quinolizinium Hexafluorophosphate
    —— 4-[(3R)-3-aminopyrrolidin-1-yl]-N-methyl-2-(2-methylpyrimidin-5-yl)oxy-9H-pyrimido[4,5-b]indol-8-amine 1400802-51-8 C20H22N8O
    4-[(3R)-3-aminopyrrolidin-1-yl]-N-methyl-2-(2-methylpyrimidin-5-yl)oxy-9H-pyrimido[4,5-b]indol-8-amine
    —— 4-((((4-chlorophenyl)sulfonyl)amino)ethyl)imidazole 1-acetic acid 138914-21-3 C13H14ClN3O4S
    4-((((4-chlorophenyl)sulfonyl)amino)ethyl)imidazole 1-acetic acid
    —— 4-p-Tolylsulfanyl-3-trimethylsilanyloxy-cyclohex-3-enecarboxylic acid methyl ester 137033-06-8 C18H26O3SSi
    4-p-Tolylsulfanyl-3-trimethylsilanyloxy-cyclohex-3-enecarboxylic acid methyl ester
    —— (4S,5R)-5-benzamido-6-(benzyloxy)-4-hydroxyhexyl pivalate 1174386-90-3 C25H33NO5
    (4S,5R)-5-benzamido-6-(benzyloxy)-4-hydroxyhexyl pivalate
    —— 4-acetyl-2-phenylcyclohepta-2,4,6-trien-1-one 136175-68-3 C15H12O2
    4-acetyl-2-phenylcyclohepta-2,4,6-trien-1-one
    —— 4-methyl-3-[4-(pyridin-3-ylmethylamino)quinazolin-7-yl]-4,5-dihydro-1H-pyridazin-6-one 124294-57-1 C19H18N6O
    4-methyl-3-[4-(pyridin-3-ylmethylamino)quinazolin-7-yl]-4,5-dihydro-1H-pyridazin-6-one
    —— 4-({3-[(2-aminoethyl)amino]-8-oxo-7,8-dihydro-2,7-naphthyridin-1-yl}amino)-N-(4-chlorophenyl)benzamide 1175544-29-2 C23H21ClN6O2
    4-({3-[(2-aminoethyl)amino]-8-oxo-7,8-dihydro-2,7-naphthyridin-1-yl}amino)-N-(4-chlorophenyl)benzamide
    —— 4-ethyl-9-(phenylsulfonyl)-1,2,3,8-tetrahydro-2,6-methanoazecino[4,3-b]indole 1426162-87-9 C24H24N2O2S
    4-ethyl-9-(phenylsulfonyl)-1,2,3,8-tetrahydro-2,6-methanoazecino[4,3-b]indole
    —— 4,5-diaza-9,11-dioxatricyclo[6.2.1.0(2,6)]undec-5-en-7-one 1252684-38-0 C7H8N2O3
    4,5-diaza-9,11-dioxatricyclo[6.2.1.0(2,6)]undec-5-en-7-one
    —— 4-(2-hydroxy-6-(pyridin-2-yl)pyrimidin-4-yl)benzonitrile 1555673-73-8 C16H10N4O
    4-(2-hydroxy-6-(pyridin-2-yl)pyrimidin-4-yl)benzonitrile
    —— 4-Chloro-2-methoxy-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-imidazole-5-carboxylic acid 1093267-62-9 C11H19ClN2O4Si
    4-Chloro-2-methoxy-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-imidazole-5-carboxylic acid
    —— 4-n-Pentylthioiodobenzene 139996-19-3 C11H15IS
    4-n-Pentylthioiodobenzene
    —— 4-{6-[4-(benzyloxy)-3-methoxyphenyl]imidazo[2,1-b][1,3]thiazol-5-yl}-N-{3-[2-(dimethylamino)ethyl]phenyl}pyrimidin-2-amine 1257078-06-0 C33H32N6O2S
    4-{6-[4-(benzyloxy)-3-methoxyphenyl]imidazo[2,1-b][1,3]thiazol-5-yl}-N-{3-[2-(dimethylamino)ethyl]phenyl}pyrimidin-2-amine
    —— 4-allyl-3-methylbenzonitrile 1233500-44-1 C11H11N
    4-allyl-3-methylbenzonitrile
    —— 4.5-Dibrom-selenophen-carbonsaeure-(2 90802-35-0 C5H2Br2O2Se
    4.5-Dibrom-selenophen-carbonsaeure-(2
    —— 4-Oxo-5-phenyl-1H-4,5-dihydro-1,2,5-benzotriazepin 20934-49-0 C14H11N3O
    4-Oxo-5-phenyl-1H-4,5-dihydro-1,2,5-benzotriazepin
    —— 4,4'-Dihydroxy-3,5-di-tert.-butyl-3'-methyl-5'-phenyl-tetraphenylmethan 13118-46-2 C40H42O2
    4,4'-Dihydroxy-3,5-di-tert.-butyl-3'-methyl-5'-phenyl-tetraphenylmethan
    —— 4,5α-epoxy-3-methoxy-17-methyl-14-(3-<i>p</i>-tolyl-propylamino)-morphin-7-en-6-one 68616-36-4 C28H32N2O3
    4,5α-epoxy-3-methoxy-17-methyl-14-(3-<i>p</i>-tolyl-propylamino)-morphin-7-en-6-one
    —— 4-O-(2'-azido-3',4',6'-tri-O-benzyl-2'-deoxy-β-D-glucopyranosyl)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranose 158420-88-3 C55H54N4O11
    4-O-(2'-azido-3',4',6'-tri-O-benzyl-2'-deoxy-β-D-glucopyranosyl)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranose
    —— 4,6-dichloro-1-(4-methoxybenzyl)-1H-pyrrolo[3,2-c]pyridine 1313714-54-3 C15H12Cl2N2O
    4,6-dichloro-1-(4-methoxybenzyl)-1H-pyrrolo[3,2-c]pyridine
    —— 4-[4-[3-[4-[4-Nitro-3-(trifluoromethyl)phenoxy]piperidin-1-yl]-3-oxopropyl]piperazin-1-yl]benzonitrile 1247031-34-0 C26H28F3N5O4
    4-[4-[3-[4-[4-Nitro-3-(trifluoromethyl)phenoxy]piperidin-1-yl]-3-oxopropyl]piperazin-1-yl]benzonitrile
    —— 4-acetyl-3-methoxy-5-(4-methoxy-phenyl)-5<i>H</i>-furan-2-one 68118-22-9 C14H14O5
    4-acetyl-3-methoxy-5-(4-methoxy-phenyl)-5<i>H</i>-furan-2-one
    —— 4,6-Bis(Methylthio)-2-phenyl-pyrazolo-thiazin-3(2H)-on 68640-91-5 C13H11N3OS3
    4,6-Bis(Methylthio)-2-phenyl-pyrazolo-thiazin-3(2H)-on
    —— 4-Phenyl-6-methoxycarbonyl-chinazolinon 56017-56-2 C16H12N2O3
    4-Phenyl-6-methoxycarbonyl-chinazolinon
    —— 4-amino-3,4-dihydro-2<i>H</i>-benzo[1,4]oxazine-2-carboxylic acid amide 3640-42-4 C9H11N3O2
    4-amino-3,4-dihydro-2<i>H</i>-benzo[1,4]oxazine-2-carboxylic acid amide
    —— (4-methoxy-phenyl)-thiazol-2-yl-methanone oxime 16312-17-7 C11H10N2O2S
    (4-methoxy-phenyl)-thiazol-2-yl-methanone oxime
    —— 4-hydrazineyl-5-methyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidine-6-carboxamide 1622230-43-6 C12H11N5OS2
    4-hydrazineyl-5-methyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidine-6-carboxamide
    —— (4-dibenzylamino-benzylidene)-malononitrile 26089-07-6 C24H19N3
    (4-dibenzylamino-benzylidene)-malononitrile
    —— 4-tert.-Butyl-2-(α-methyl-benzyl)-thiosemicarbazid 21076-51-7 C13H21N3S
    4-tert.-Butyl-2-(α-methyl-benzyl)-thiosemicarbazid
    —— 4-chloro-N-(2,6-dimethyl-phenyl)-N-[6-(4-methyl-piperazin-1-yl)-pyridin-3-ylmethyl]-benzamide 1034135-92-6 C26H29ClN4O
    4-chloro-N-(2,6-dimethyl-phenyl)-N-[6-(4-methyl-piperazin-1-yl)-pyridin-3-ylmethyl]-benzamide
    —— (4S,7R,Z)-2-bromo-7-((4-methoxybenzyloxy)methyl)-5-methylnona-1,5-dien-4-ol 1527498-84-5 C19H27BrO3
    (4S,7R,Z)-2-bromo-7-((4-methoxybenzyloxy)methyl)-5-methylnona-1,5-dien-4-ol
    —— 4-(2-Phenylethenyl)-1H-indole-2,3-dione 1165892-63-6 C16H11NO2
    4-(2-Phenylethenyl)-1H-indole-2,3-dione
    —— 4-{2-[2',5'-bis(dodecyloxy)-4'-ethynylphenyl]ethynyl}-2,5-bis(dodecyloxy)phenylethynylbenzene 870080-60-7 C72H110O4
    4-{2-[2',5'-bis(dodecyloxy)-4'-ethynylphenyl]ethynyl}-2,5-bis(dodecyloxy)phenylethynylbenzene
    —— (4Z,6S)-N,N-diisopropyl-6-hydroxyhept-4-enamide 1224627-49-9 C13H25NO2
    (4Z,6S)-N,N-diisopropyl-6-hydroxyhept-4-enamide
    —— 4-[((3S)-Quinuclidin-3-yl)amino]-3-benzimidazol-2-yl-6-chloro-hydropyridino[3,4-b]pyridin-2-one 668422-88-6 C22H21ClN6O
    4-[((3S)-Quinuclidin-3-yl)amino]-3-benzimidazol-2-yl-6-chloro-hydropyridino[3,4-b]pyridin-2-one
    —— 4-benzyl-5-oxo-6-phenyl-4,5-dihydropyrazine-2-carbaldehyde 1345669-00-2 C18H14N2O2
    4-benzyl-5-oxo-6-phenyl-4,5-dihydropyrazine-2-carbaldehyde
    —— 4,4,6,6-tetraethyl-5-oxa-4,6-disila-nonanedioic acid bis-triethylsilanyl ester 18846-03-2 C26H58O5Si4
    4,4,6,6-tetraethyl-5-oxa-4,6-disila-nonanedioic acid bis-triethylsilanyl ester
    —— 4-chloro-6-methyl-10,10-dioxo-10,11-dihydro-5-oxa-10λ6-thia-dibenzo[a,d]cycloheptene-8-carboxylic acid methyl ester 887003-19-2 C16H13ClO5S
    4-chloro-6-methyl-10,10-dioxo-10,11-dihydro-5-oxa-10λ6-thia-dibenzo[a,d]cycloheptene-8-carboxylic acid methyl ester
    —— 4-amino-1-(<i>O</i><sup>4</sup>-β-<i>D</i>-glucopyranosyl-β-<i>D</i>-glucopyranosyl)-1<i>H</i>-pyrimidine-2-thione 38909-25-0 C16H25N3O10S
    4-amino-1-(<i>O</i><sup>4</sup>-β-<i>D</i>-glucopyranosyl-β-<i>D</i>-glucopyranosyl)-1<i>H</i>-pyrimidine-2-thione
    —— 4-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-methoxycarbonylmethylsulfanyl-butyric acid 35197-65-0 C15H15NO6S
    4-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-methoxycarbonylmethylsulfanyl-butyric acid
    —— 4,4'-(7-(5-formylthiophen-2-yl)-9,9-dihexyl-9H-fluoren-2-ylazanediyl)-dibenzoic acid 1332724-79-4 C44H45NO5S
    4,4'-(7-(5-formylthiophen-2-yl)-9,9-dihexyl-9H-fluoren-2-ylazanediyl)-dibenzoic acid
    —— 4,7-Diphenyl-2-piperidino-pyrido<2,3-d>pyrimidin 85852-67-1 C24H22N4
    4,7-Diphenyl-2-piperidino-pyrido<2,3-d>pyrimidin
    —— 4-isopropylidene-1-pyrazoline-5,5-d2 99810-38-5 C6H10N2
    4-isopropylidene-1-pyrazoline-5,5-d2
    —— [4-(2-chloro-5-methyl-phenyl)-thiazol-2-yl]-(2-chloro-phenyl)-amine 67241-34-3 C16H12Cl2N2S
    [4-(2-chloro-5-methyl-phenyl)-thiazol-2-yl]-(2-chloro-phenyl)-amine
    —— 4,4',4''-(((benzene-1,3,5-triyltris(oxy))tris(undecane-11,1-diyl))tris(oxy))trianiline 1206796-40-8 C57H87N3O6
    4,4',4''-(((benzene-1,3,5-triyltris(oxy))tris(undecane-11,1-diyl))tris(oxy))trianiline
    —— 4-tert-butyl-N-(4-chloro-2-(4-((methylamino)methyl)-1H-pyrazol-1-yl)phenyl)benzenesulfonamide 1094759-70-2 C21H25ClN4O2S
    4-tert-butyl-N-(4-chloro-2-(4-((methylamino)methyl)-1H-pyrazol-1-yl)phenyl)benzenesulfonamide
    —— 4-ethylocta-2,3-dienoic acid ethyl ester 14369-83-6 C12H20O2
    4-ethylocta-2,3-dienoic acid ethyl ester