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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4-Dimethyl-1-boradamantan 72646-18-5 C11H19B
    4,4-Dimethyl-1-boradamantan
    —— (4-cyanobenzoylselenyl)acetic acid 1204480-58-9 C10H7NO3Se
    (4-cyanobenzoylselenyl)acetic acid
    —— 4,5-Bis-(3,4,5-trimethoxy-phenyl)-1,3-dihydro-imidazole-2-thione 97059-82-0 C21H24N2O6S
    4,5-Bis-(3,4,5-trimethoxy-phenyl)-1,3-dihydro-imidazole-2-thione
    —— (4S,5R,6S)-5-(benzyloxy)-6-[(benzyloxy)methyl]-1-[(tert-butoxy)carbonyl]-4-[(E)-tridec-1-enyl]piperidin-2-one 1206460-38-9 C38H55NO5
    (4S,5R,6S)-5-(benzyloxy)-6-[(benzyloxy)methyl]-1-[(tert-butoxy)carbonyl]-4-[(E)-tridec-1-enyl]piperidin-2-one
    —— 4'α-benzylthioprocyanidin B-1 99297-46-8 C37H32O12S
    4'α-benzylthioprocyanidin B-1
    —— 4-(6-Methyl-pyridin-3-yloxymethyl)-benzoic acid ethyl ester 50596-56-0 C16H17NO3
    4-(6-Methyl-pyridin-3-yloxymethyl)-benzoic acid ethyl ester
    —— 4-(5-(4-(3-chlorophenyl)piperazin-1-ylsufonyl)indolin-1-yl)-4-oxobutanoic acid 1205554-19-3 C22H24ClN3O5S
    4-(5-(4-(3-chlorophenyl)piperazin-1-ylsufonyl)indolin-1-yl)-4-oxobutanoic acid
    —— [4-[4-[3-(3-Methylpiperidin-1-yl)propoxy]phenyl]piperazin-1-yl]-(2-methyl-5-propylphenyl)methanone 684245-40-7 C30H43N3O2
    [4-[4-[3-(3-Methylpiperidin-1-yl)propoxy]phenyl]piperazin-1-yl]-(2-methyl-5-propylphenyl)methanone
    —— 4-(9-cyclopentyl-5,7,7-trimethyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-N-phenylbenzamide 946824-91-5 C29H34N6O3
    4-(9-cyclopentyl-5,7,7-trimethyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-N-phenylbenzamide
    —— 4,4'-dimethoxy-4,4'-biflav-2-ene 69709-46-2 C32H26O4
    4,4'-dimethoxy-4,4'-biflav-2-ene
    —— 4-[[1-[[3-(1,1-dimethylethyl)phenyl]sulfonyl]-5-(trifluoromethyl)-1H-indol-2-yl]methyl]benzoic acid; sodium salt 1272718-64-5 C27H23F3NO4S*Na
    4-[[1-[[3-(1,1-dimethylethyl)phenyl]sulfonyl]-5-(trifluoromethyl)-1H-indol-2-yl]methyl]benzoic acid; sodium salt
    —— 4-amino-2-(4-bromophenyl)-4-oxobutanoic acid 845786-04-1 C10H10BrNO3
    4-amino-2-(4-bromophenyl)-4-oxobutanoic acid
    —— 4,4-Dicyano-2,2,3-trimethyl-3-butenoic acid 144896-82-2 C9H10N2O2
    4,4-Dicyano-2,2,3-trimethyl-3-butenoic acid
    —— 4-Bromomethcathinone hydrochloride 135333-27-6 C10H13BrClNO
    4-Bromomethcathinone hydrochloride
    —— 4,6-bis(4-formyl-1-phenylpyrazol-3-yl)resorcinol 1456688-88-2 C26H18N4O4
    4,6-bis(4-formyl-1-phenylpyrazol-3-yl)resorcinol
    —— (4R,5S)-5-Cyclohex-1-enyl-5-methyl-4-p-tolylsulfanyl-dihydro-furan-2-one 110968-99-5 C18H22O2S
    (4R,5S)-5-Cyclohex-1-enyl-5-methyl-4-p-tolylsulfanyl-dihydro-furan-2-one
    —— 4-(hydrazonomethyl)benzene-1,3-diol 52693-85-3 C7H8N2O2
    4-(hydrazonomethyl)benzene-1,3-diol
    —— (4,4-difluoro-6-methoxymethoxy-2,5,7,8-tetramethylchroman-2-yl)methanol 416848-45-8 C16H22F2O4
    (4,4-difluoro-6-methoxymethoxy-2,5,7,8-tetramethylchroman-2-yl)methanol
    —— (4R)-2-(diethoxyphosphorylmethyl)-4-methyl-7-propan-2-ylidene-5,6-dihydro-4H-1-benzofuran 1078138-22-3 C17H27O4P
    (4R)-2-(diethoxyphosphorylmethyl)-4-methyl-7-propan-2-ylidene-5,6-dihydro-4H-1-benzofuran
    —— 4-(trifluoromethyl)-2-(3-((trimethylsilyl)methyl)but-3-enyl)phenol 1448774-85-3 C15H21F3OSi
    4-(trifluoromethyl)-2-(3-((trimethylsilyl)methyl)but-3-enyl)phenol
    —— (4,4'-(but-1-en-3-yne-1,4-diyl)bis(4,1-phenylene))bis(methylsulfane) 1570200-50-8 C18H16S2
    (4,4'-(but-1-en-3-yne-1,4-diyl)bis(4,1-phenylene))bis(methylsulfane)
    —— 4-(2-iodophenyl)-1-sulfanylidene-2H-[1,2,4]triazolo[4,3-a]quinazolin-5-one 77747-26-3 C15H9IN4OS
    4-(2-iodophenyl)-1-sulfanylidene-2H-[1,2,4]triazolo[4,3-a]quinazolin-5-one
    —— 4,5-dimethyl-thieno[3,2-d]isothiazole-3(2H)-one-1,1-dioxide 74616-27-6 C7H7NO3S2
    4,5-dimethyl-thieno[3,2-d]isothiazole-3(2H)-one-1,1-dioxide
    —— (4-methyl-6-oxo-1,6-dihydro-pyrimidin-2-ylamino)-guanidine 72436-97-6 C6H10N6O
    (4-methyl-6-oxo-1,6-dihydro-pyrimidin-2-ylamino)-guanidine
    —— 4-(2-methoxy-5-methyl-phenyl)-5-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylamine 71114-78-8 C16H16N4O
    4-(2-methoxy-5-methyl-phenyl)-5-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylamine
    —— 4-(3-cyanophenyl)pent-4-enoic acid 1384163-63-6 C12H11NO2
    4-(3-cyanophenyl)pent-4-enoic acid
    —— 4-(diacetylamino)-1,5-diphenyl-1,2,4-triazol-1-ium-3-thiolate 72234-25-4 C18H16N4O2S
    4-(diacetylamino)-1,5-diphenyl-1,2,4-triazol-1-ium-3-thiolate
    —— 4,6-Bis-[(3-methylphenyl)amino]-pyrimido[5,4-d]pyrimidine 177906-68-2 C20H18N6
    4,6-Bis-[(3-methylphenyl)amino]-pyrimido[5,4-d]pyrimidine
    —— 4-[(3-Trifluoromethylphenyl)amino]-6-methylthio-pyrimido[5,4-d]pyrimidine 176637-79-9 C14H10F3N5S
    4-[(3-Trifluoromethylphenyl)amino]-6-methylthio-pyrimido[5,4-d]pyrimidine
    —— 4-tert-butyl-N-[6-{2-(4-ethoxycarbonylphenoxy)ethoxy}-5-(4-methylphenyl)pyrimidin-4-yl]benzenesulfonamide 169678-98-2 C32H35N3O6S
    4-tert-butyl-N-[6-{2-(4-ethoxycarbonylphenoxy)ethoxy}-5-(4-methylphenyl)pyrimidin-4-yl]benzenesulfonamide
    —— (4R,5S,4'R)-2,2,2',2'-Tetramethyl-5-((Z)-pentadec-1-enyl)-[4,4']bi[[1,3]dioxolanyl] 163212-24-6 C25H46O4
    (4R,5S,4'R)-2,2,2',2'-Tetramethyl-5-((Z)-pentadec-1-enyl)-[4,4']bi[[1,3]dioxolanyl]
    —— 4-[2-Amino-4-(4-ethoxy-phenyl)-thiazol-5-ylazo]-N-pyrimidin-2-yl-benzenesulfonamide 97854-84-7 C21H19N7O3S2
    4-[2-Amino-4-(4-ethoxy-phenyl)-thiazol-5-ylazo]-N-pyrimidin-2-yl-benzenesulfonamide
    —— 4-hydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-carboxaldehyde 460989-43-9 C11H8O4
    4-hydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-carboxaldehyde
    —— (4-Acetylamino-phenyl)-acetic acid 4-benzyloxycarbonylmethyl-phenyl ester 335200-40-3 C25H23NO5
    (4-Acetylamino-phenyl)-acetic acid 4-benzyloxycarbonylmethyl-phenyl ester
    —— 4-(1-phenylmethylene-1-(N'-hydroxymethylcarbonyl)carboxylhydrazide)-piperidine-1-carboxylic acid tert-butyl ester 676491-35-3 C20H27N3O5
    4-(1-phenylmethylene-1-(N'-hydroxymethylcarbonyl)carboxylhydrazide)-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-chloro-2-fluoro-5-((7-iodoquinolin-4-yl)amino)phenol hydrochloride 1062589-83-6 C15H9ClFIN2O*ClH
    4-chloro-2-fluoro-5-((7-iodoquinolin-4-yl)amino)phenol hydrochloride
    —— (4bR,8aS,9R,10R)-10-ethoxy-3,4-dihydroxy-7-methoxy-11-methyl-9,10-dihydro-5H-9,4b-(epiminoethano)phenanthren-6(8aH)-one 1240580-59-9 C20H25NO5
    (4bR,8aS,9R,10R)-10-ethoxy-3,4-dihydroxy-7-methoxy-11-methyl-9,10-dihydro-5H-9,4b-(epiminoethano)phenanthren-6(8aH)-one
    —— 4-acetyl-1,3,5-trimethyl-1H-pyrrole-2-carboxylic (ethyl carbonic) anhydride 155470-83-0 C13H17NO5
    4-acetyl-1,3,5-trimethyl-1H-pyrrole-2-carboxylic (ethyl carbonic) anhydride
    —— 4-methoxyphenyl tert-butoxymethyl sulfide 1616956-13-8 C12H18O2S
    4-methoxyphenyl tert-butoxymethyl sulfide
    —— 4-methyl-N-(2-oxo-2H-chromen-6-yl)-N-(3-phenylprop-2-yn-1-yl)benzenesulfonamide 1264630-68-3 C25H19NO4S
    4-methyl-N-(2-oxo-2H-chromen-6-yl)-N-(3-phenylprop-2-yn-1-yl)benzenesulfonamide
    —— 4-(bromomethyl)cyclohexylmethanol 23791-91-5 C8H15BrO
    4-(bromomethyl)cyclohexylmethanol
    —— 4-(5-Benzenesulfonyl-cyclopenta-1,3-dienyl)-butan-2-one 87892-93-1 C15H16O3S
    4-(5-Benzenesulfonyl-cyclopenta-1,3-dienyl)-butan-2-one
    —— (4S,3R)-3-benzyl-3-ethoxycarbonyl-4-hydroxypiperidine 1126736-40-0 C15H21NO3
    (4S,3R)-3-benzyl-3-ethoxycarbonyl-4-hydroxypiperidine
    —— 4-benzyloxy-2,4'-dihydroxy-6-methoxybenzophenone 1206883-09-1 C21H18O5
    4-benzyloxy-2,4'-dihydroxy-6-methoxybenzophenone
    —— 4-(diisopropyl(pyridin-2-yl)silyl)-N,N-diisopropylbenzamide 1232693-11-6 C24H36N2OSi
    4-(diisopropyl(pyridin-2-yl)silyl)-N,N-diisopropylbenzamide
    —— 4.4'.4''-Triacetoxy-triphenylcarbinol 86632-04-4 C25H22O7
    4.4'.4''-Triacetoxy-triphenylcarbinol
    —— (4S)-4-hydroxy-5-tosyloxypentyl tetra-O-acetyl-β-D-glucopyranoside 130705-54-3 C26H36O14S
    (4S)-4-hydroxy-5-tosyloxypentyl tetra-O-acetyl-β-D-glucopyranoside
    —— (+/-)-4-[2-[[7-[[1-(Hydroxymethyl)propyl]amino]-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-2-yl]amino]ethyl]-benzenesulfonamide 259102-68-6 C24H28N6O3S3
    (+/-)-4-[2-[[7-[[1-(Hydroxymethyl)propyl]amino]-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-2-yl]amino]ethyl]-benzenesulfonamide
    —— 4,4'-(2,4,5-trioxo-imidazolidine-1,3-diyl)-bis-butyric acid dibutyl ester 65562-97-2 C19H30N2O7
    4,4'-(2,4,5-trioxo-imidazolidine-1,3-diyl)-bis-butyric acid dibutyl ester
    —— 4-[3-fluoro-2-methoxy-4-[2-(7-methoxy-1H-indol-3-yl)ethylamino]anilino]-6,7-dihydro-5H-cyclopenta[b]pyridin-7-ol 1132682-33-7 C26H27FN4O3
    4-[3-fluoro-2-methoxy-4-[2-(7-methoxy-1H-indol-3-yl)ethylamino]anilino]-6,7-dihydro-5H-cyclopenta[b]pyridin-7-ol