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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Acetamidocatechol-1-acetat-2-benzolsulfonat 36383-40-1 C16H15NO6S
    4-Acetamidocatechol-1-acetat-2-benzolsulfonat
    —— 4-Methoxy-2-nitro-5-t-butylacetanilid 35292-17-2 C13H18N2O4
    4-Methoxy-2-nitro-5-t-butylacetanilid
    —— 4-Thiobenzamido-<1,2>dithiol-3-thion 6208-77-1 C10H7NS4
    4-Thiobenzamido-<1,2>dithiol-3-thion
    —— 4,4'-Bis-(p-dimethylaminophenyl)-disulfid-mono-methoiodid 23724-32-5 C17H23N2S2*I
    4,4'-Bis-(p-dimethylaminophenyl)-disulfid-mono-methoiodid
    —— 4-[(3-(5-chloro-2-oxoindolin-3-ylidene)-5-(4-methoxyphenyl)-2-oxo-2,3-dihydropyrrol-1-yl)]benzenesulfonamide 1447721-59-6 C25H18ClN3O5S
    4-[(3-(5-chloro-2-oxoindolin-3-ylidene)-5-(4-methoxyphenyl)-2-oxo-2,3-dihydropyrrol-1-yl)]benzenesulfonamide
    —— (4-(4-methoxyphenyl)butoxy)trimethylsilane 1344089-68-4 C14H24O2Si
    (4-(4-methoxyphenyl)butoxy)trimethylsilane
    —— 4-chloro-6-((2-(3-(((2,2-dimethylpropyl)amino)methyl)phenyl)pyrrolidin-1-yl)carbonyl)benzene-1,3-diol 1023886-88-5 C23H29ClN2O3
    4-chloro-6-((2-(3-(((2,2-dimethylpropyl)amino)methyl)phenyl)pyrrolidin-1-yl)carbonyl)benzene-1,3-diol
    —— 4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxy-carbonyl-6-methyl-2-[2-(4-(N-methylthiocarbamoyl)-piperazin-1-yl)ethoxymethyl]-1,4-dihydropyridine, hydrochloride salt 92600-70-9 C26H35ClN4O5S*ClH
    4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxy-carbonyl-6-methyl-2-[2-(4-(N-methylthiocarbamoyl)-piperazin-1-yl)ethoxymethyl]-1,4-dihydropyridine, hydrochloride salt
    —— (4S,5R)-5-(3,5-bis(trifluoromethyl)phenyl)-3-((2-(2-fluoro-5-(trifluoromethyl)phenyl)cyclohex-1-enyl)methyl)-4-methyloxazolidin-2-one 1402796-73-9 C26H21F10NO2
    (4S,5R)-5-(3,5-bis(trifluoromethyl)phenyl)-3-((2-(2-fluoro-5-(trifluoromethyl)phenyl)cyclohex-1-enyl)methyl)-4-methyloxazolidin-2-one
    —— 4-Nitro-benzoic acid 2-methyl-6-oxo-6H-[1,3]thiazin-4-yl ester 73672-76-1 C12H8N2O5S
    4-Nitro-benzoic acid 2-methyl-6-oxo-6H-[1,3]thiazin-4-yl ester
    —— 4-(3-Benzyl-1,2,4-oxadiazol-5-yl)-2-bromoaniline 152362-29-3 C15H12BrN3O
    4-(3-Benzyl-1,2,4-oxadiazol-5-yl)-2-bromoaniline
    —— 4-(1-Ethyl-2-hydroxyethylamino)-6,7-dimethoxy-1(2H)-phthalazinon 71932-70-2 C14H19N3O4
    4-(1-Ethyl-2-hydroxyethylamino)-6,7-dimethoxy-1(2H)-phthalazinon
    —— [4-(4-chloro-phenyl)-5-(3,4,5-trimethoxy-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid ethyl ester 70452-61-8 C21H22ClN3O5S
    [4-(4-chloro-phenyl)-5-(3,4,5-trimethoxy-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid ethyl ester
    —— 4''-O-acetyl-6-O-methylerythromycin A 957065-47-3 C40H71NO14
    4''-O-acetyl-6-O-methylerythromycin A
    —— 4-Methyl-3-tosyl-2,2-bis(trifluormethyl)-1,3-oxazolidin-5-on 68150-27-6 C13H11F6NO4S
    4-Methyl-3-tosyl-2,2-bis(trifluormethyl)-1,3-oxazolidin-5-on
    —— 4-(4-(benzyloxy)phenyl)-N-tert-butyl-4-(4-methoxyphenyl)-2-oxobutanamide 1637758-99-6 C28H31NO4
    4-(4-(benzyloxy)phenyl)-N-tert-butyl-4-(4-methoxyphenyl)-2-oxobutanamide
    —— 4-acetoxy-6,7-dihydro-1-methyl-1H-indazole 144528-24-5 C10H12N2O2
    4-acetoxy-6,7-dihydro-1-methyl-1H-indazole
    —— 4-Isopropenyl-7-methyl-indan 174623-68-8 C13H16
    4-Isopropenyl-7-methyl-indan
    —— 4-Amino-5-chloro-2-ethoxy-N-(4-methyl-morpholin-2-ylmethyl)-benzamide 141814-93-9 C15H22ClN3O3
    4-Amino-5-chloro-2-ethoxy-N-(4-methyl-morpholin-2-ylmethyl)-benzamide
    —— (-)-4-iodo-α<sup>1</sup>-(4-fluorophenyl)-α<sup>1</sup>-[3-(dimethylamino)propyl]-1,2-benzenedimethanol 658080-75-2 C19H23FINO2
    (-)-4-iodo-α<sup>1</sup>-(4-fluorophenyl)-α<sup>1</sup>-[3-(dimethylamino)propyl]-1,2-benzenedimethanol
    —— 4-tert-Butoxy-1,7-diaminoheptan 36612-05-2 C11H26N2O
    4-tert-Butoxy-1,7-diaminoheptan
    —— 4-(2-methyl-4-nitrophenyl)-1,4-diazabicyclo[3.2.2]nonane 1182190-31-3 C14H19N3O2
    4-(2-methyl-4-nitrophenyl)-1,4-diazabicyclo[3.2.2]nonane
    —— (4S)-4-methyl-9-(4-methylpiperazino)-1,2,3,4-tetrahydro-1,4-(dimethylmethano)acridine 137492-76-3 C22H29N3
    (4S)-4-methyl-9-(4-methylpiperazino)-1,2,3,4-tetrahydro-1,4-(dimethylmethano)acridine
    —— 4-(2-carbazol-9-ylethoxy)phenol 1374216-29-1 C20H17NO2
    4-(2-carbazol-9-ylethoxy)phenol
    —— 4,5-bis(thiophen-3-ylethynyl)phthalonitrile 1422254-39-4 C20H8N2S2
    4,5-bis(thiophen-3-ylethynyl)phthalonitrile
    —— 4-Chlortestosteron-17β-(1-adamantoat) 3124-75-2 C30H41ClO3
    4-Chlortestosteron-17β-(1-adamantoat)
    —— 4,4'-distyryl-2<i>H</i>,2'<i>H</i>-2,2'-(2,8-dichloro-5,5-dioxo-5<i>H</i>-5λ<sup>6</sup>-dibenzothiophene-3,7-diyl)-bis-[1,2,3]triazole 41345-00-0 C32H20Cl2N6O2S
    4,4'-distyryl-2<i>H</i>,2'<i>H</i>-2,2'-(2,8-dichloro-5,5-dioxo-5<i>H</i>-5λ<sup>6</sup>-dibenzothiophene-3,7-diyl)-bis-[1,2,3]triazole
    —— 4-[3-(4-allyloximethyl-phenyl)-propyl]-morpholine 101866-56-2 C17H25NO2
    4-[3-(4-allyloximethyl-phenyl)-propyl]-morpholine
    —— 4-[3-methyl-5-oxo-4-(2-phenylhydrazono)-4,5-dihydro-1H-pyrazol-1-yl]butyl acetate 1415650-87-1 C16H20N4O3
    4-[3-methyl-5-oxo-4-(2-phenylhydrazono)-4,5-dihydro-1H-pyrazol-1-yl]butyl acetate
    —— 4-methyl-2-phenyl-3,4-dihydroquinazoline 31402-70-7 C15H14N2
    4-methyl-2-phenyl-3,4-dihydroquinazoline
    —— 4,4'-bis-(2-hydroxy-naphthalen-1-ylazo)-2,2'-biphenyl-4,4'-diyl-bis-isoindole-1,3-dione 35014-32-5 C48H28N6O6
    4,4'-bis-(2-hydroxy-naphthalen-1-ylazo)-2,2'-biphenyl-4,4'-diyl-bis-isoindole-1,3-dione
    —— (4E,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E)-2,6,10,14,19,23-Hexamethyl-2-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-25-(2,6,6-trimethyl-cyclohex-1-enyl)-pentacosa-4,6,8,10,12,14,16,18,20,22,24-undecaen-3-one 16796-73-9 C46H64O7
    (4E,6E,8E,10E,12E,14E,16E,18E,20E,22E,24E)-2,6,10,14,19,23-Hexamethyl-2-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-25-(2,6,6-trimethyl-cyclohex-1-enyl)-pentacosa-4,6,8,10,12,14,16,18,20,22,24-undecaen-3-one
    —— 4-mercaptoacetyl-2-<i>p</i>-tolyl-[1,3,4]thiadiazinan-5-one 7710-63-6 C12H14N2O2S2
    4-mercaptoacetyl-2-<i>p</i>-tolyl-[1,3,4]thiadiazinan-5-one
    —— 4-bromo-2-(1-methoxyethyl)phenol 342880-88-0 C9H11BrO2
    4-bromo-2-(1-methoxyethyl)phenol
    —— 4,4′-oxybis(1-bromo-2-methylbenzene) 55047-12-6 C14H12Br2O
    4,4′-oxybis(1-bromo-2-methylbenzene)
    —— 4'-(2,3-dihydroxy-2-methylpropoxy)-2,2'6'-trimethylbiphenyl-3-carbaldehyde 1148021-87-7 C20H24O4
    4'-(2,3-dihydroxy-2-methylpropoxy)-2,2'6'-trimethylbiphenyl-3-carbaldehyde
    —— 4-[[3-[6-(3-Hydroxy-3-methylbutoxy)-2,4-dimethylpyridin-3-yl]-2-methylphenyl]methoxy]benzaldehyde 1148023-27-1 C27H31NO4
    4-[[3-[6-(3-Hydroxy-3-methylbutoxy)-2,4-dimethylpyridin-3-yl]-2-methylphenyl]methoxy]benzaldehyde
    —— ((4R,5R,6R)-2,2,4-Trimethyl-6-thiazol-2-yl-[1,3]dioxan-5-yl)-carbamic acid tert-butyl ester 145631-92-1 C15H24N2O4S
    ((4R,5R,6R)-2,2,4-Trimethyl-6-thiazol-2-yl-[1,3]dioxan-5-yl)-carbamic acid tert-butyl ester
    —— 4-Hydroxy-7-(4-methoxyanilino)-3-[[2-methoxy-4-[[2-methoxy-5-methyl-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]-5-methylphenyl]diazenyl]naphthalene-2-sulfonic acid 1000061-45-9 C39H35N7O10S2
    4-Hydroxy-7-(4-methoxyanilino)-3-[[2-methoxy-4-[[2-methoxy-5-methyl-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]-5-methylphenyl]diazenyl]naphthalene-2-sulfonic acid
    —— 4-benzoyl-piperazine-1-carboxylic acid 6-(5-methyl-pyridin-2-yl)-7-oxo-6,7-dihydro-5<i>H</i>-pyrrolo[3,4-<i>b</i>]pyrazin-5-yl ester 59878-72-7 C24H22N6O4
    4-benzoyl-piperazine-1-carboxylic acid 6-(5-methyl-pyridin-2-yl)-7-oxo-6,7-dihydro-5<i>H</i>-pyrrolo[3,4-<i>b</i>]pyrazin-5-yl ester
    —— 4-cyclopropylmethyl-1-(3,3-dimethylbutyl)-2,6,7-trithiabicyclo[2.2.2] octane-2-oxide 136925-27-4 C15H26OS3
    4-cyclopropylmethyl-1-(3,3-dimethylbutyl)-2,6,7-trithiabicyclo[2.2.2] octane-2-oxide
    —— 4-(6-Chloro-naphthalen-1-ylazo)-3-hydroxy-naphthalene-2-carboxylic acid naphthalen-2-ylamide 33804-47-6 C31H20ClN3O2
    4-(6-Chloro-naphthalen-1-ylazo)-3-hydroxy-naphthalene-2-carboxylic acid naphthalen-2-ylamide
    —— {4-Cyclopenta-2,4-dienylidenemethyl-7-[(Z)-ethylimino]-cyclohepta-1,3,5-trienyl}-ethyl-amine 19795-26-7 C17H20N2
    {4-Cyclopenta-2,4-dienylidenemethyl-7-[(Z)-ethylimino]-cyclohepta-1,3,5-trienyl}-ethyl-amine
    —— 4-(4-tert-Butyl-phenyl)-3-methyl-pyrrolidin-2-one 36224-67-6 C15H21NO
    4-(4-tert-Butyl-phenyl)-3-methyl-pyrrolidin-2-one
    —— 4-amino-1-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}butan-1-one hydrochloride 1579809-60-1 C11H17ClN2OS
    4-amino-1-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}butan-1-one hydrochloride
    —— 4-(3-acetyl-2-methyl-5-oxo-1,4,5,6-tetrahydropyrido[2,3-d]pyridazin-4-yl)-3-methoxybenzonitrile 959934-84-0 C18H16N4O3
    4-(3-acetyl-2-methyl-5-oxo-1,4,5,6-tetrahydropyrido[2,3-d]pyridazin-4-yl)-3-methoxybenzonitrile
    —— 4-[2-(1,4,5,6-tetrahydropyrimidin-2-yl)ethyl]phenol 568584-26-9 C12H16N2O
    4-[2-(1,4,5,6-tetrahydropyrimidin-2-yl)ethyl]phenol
    —— 4-(N,N-dibutylamino)-6-mercapto-2-methyl-5-nitropyrimidine 155081-74-6 C13H22N4O2S
    4-(N,N-dibutylamino)-6-mercapto-2-methyl-5-nitropyrimidine
    —— 4-[5-(3-Cyano-propyl)-pyridin-3-yl]-butyronitrile 98329-64-7 C13H15N3
    4-[5-(3-Cyano-propyl)-pyridin-3-yl]-butyronitrile
    —— 4-(2,2-difluoro-benzo[1,3]dioxol-5-ylmethyl)-piperazine-1-carboxylic acid (1H-pyrrolo[3,2-b]pyridin-6-yl)-amide 1230019-58-5 C20H19F2N5O3
    4-(2,2-difluoro-benzo[1,3]dioxol-5-ylmethyl)-piperazine-1-carboxylic acid (1H-pyrrolo[3,2-b]pyridin-6-yl)-amide