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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-benzyl-5-(3,4,5-trimethoxyphenyl)-3-(2',3',4',6'-tetra-O-benzoyl-β-D-glucopyranosyl)-1,2,4-triazole 1430730-44-1 C52H45N3O12
    4-benzyl-5-(3,4,5-trimethoxyphenyl)-3-(2',3',4',6'-tetra-O-benzoyl-β-D-glucopyranosyl)-1,2,4-triazole
    —— 4-(3,5-dimethyl-pyrrol-2-ylmethylene)-2-phenyl-4<i>H</i>-oxazol-5-one 94538-54-2 C16H14N2O2
    4-(3,5-dimethyl-pyrrol-2-ylmethylene)-2-phenyl-4<i>H</i>-oxazol-5-one
    —— 4-amino-5-(3-(chroman-4-ylamino)-2,2-dimethyl-3-oxopropoxy)-2-methyl-quinoline-3-carboxylic acid 1337544-13-4 C25H27N3O5
    4-amino-5-(3-(chroman-4-ylamino)-2,2-dimethyl-3-oxopropoxy)-2-methyl-quinoline-3-carboxylic acid
    —— 4,6-dimethoxy-3,5-dimethyl-2-(1-methyl-2-oxopropyl)benzaldehyde 42179-86-2 C15H20O4
    4,6-dimethoxy-3,5-dimethyl-2-(1-methyl-2-oxopropyl)benzaldehyde
    —— 4-oxo-4-(1-phenyl-3,4-dihydro-1H-isoquinolin-2-yl)-N-(4-pyridylmethyl)butyric acid amide 1229514-44-6 C25H25N3O2
    4-oxo-4-(1-phenyl-3,4-dihydro-1H-isoquinolin-2-yl)-N-(4-pyridylmethyl)butyric acid amide
    —— 4-(4-(2-(5-((5-tert-butyloxazol-2-yl)methylthio)thiazol-2-ylamino)-2-oxoethyl)phenoxy)-N-phenylbutanamide 1233700-19-0 C29H32N4O4S2
    4-(4-(2-(5-((5-tert-butyloxazol-2-yl)methylthio)thiazol-2-ylamino)-2-oxoethyl)phenoxy)-N-phenylbutanamide
    —— 4-methylsulfanyl-2-(7(9)<i>H</i>-purin-6-ylamino)-butan-1-ol 21072-16-2 C10H15N5OS
    4-methylsulfanyl-2-(7(9)<i>H</i>-purin-6-ylamino)-butan-1-ol
    —— ((4-(4-bromophenyl)but-1-en-2-yl)oxy)trimethylsilane 1001207-24-4 C13H19BrOSi
    ((4-(4-bromophenyl)but-1-en-2-yl)oxy)trimethylsilane
    —— 4-phenyl-2-benzylaminotetraline HCl 134865-83-1 C23H23N*ClH
    4-phenyl-2-benzylaminotetraline HCl
    —— (4R*,5R*)-2,6-dimethyl-5-hydroxy-4-(phenylmethoxy)-3-heptanone 113778-70-4 C16H24O3
    (4R*,5R*)-2,6-dimethyl-5-hydroxy-4-(phenylmethoxy)-3-heptanone
    —— 4-Chloro-1-(4-methylphenyl)-3,5-diphenylpyrazole 88039-32-1 C22H17ClN2
    4-Chloro-1-(4-methylphenyl)-3,5-diphenylpyrazole
    —— [4-(2-fluoro-benzyl)-piperidin-4-yl]-(1H-indol-5-yl)-methanone 1033814-83-3 C21H21FN2O
    [4-(2-fluoro-benzyl)-piperidin-4-yl]-(1H-indol-5-yl)-methanone
    —— 4-(2-(Pyridin-3-yl)ethyl)oxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246173-45-5 C21H19NO3S2
    4-(2-(Pyridin-3-yl)ethyl)oxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 4-azido-N-{[(2R)-1-ethylpyrrolidin-2-yl]methyl}benzamide 1383705-76-7 C14H19N5O
    4-azido-N-{[(2R)-1-ethylpyrrolidin-2-yl]methyl}benzamide
    —— 4-[1-(aminomethyl)-3-azabicyclo[3.1.0]hexan-3-yl]-6-fluoro-N-methyl-2-pyrimidin-5-yloxy-9H-pyrimido[4,5-b]indol-8-amine 1400803-38-4 C21H21FN8O
    4-[1-(aminomethyl)-3-azabicyclo[3.1.0]hexan-3-yl]-6-fluoro-N-methyl-2-pyrimidin-5-yloxy-9H-pyrimido[4,5-b]indol-8-amine
    —— 4-[(3-methyl-5-oxo-isoxazol-4-ylidene)-hydrazino]-N-pyrazin-2-yl-benzenesulfonamide 95914-57-1 C14H12N6O4S
    4-[(3-methyl-5-oxo-isoxazol-4-ylidene)-hydrazino]-N-pyrazin-2-yl-benzenesulfonamide
    —— 4-(4'-amidino-4-biphenylyl)-1-(2-methoxycarbonyl-ethyl)-3-phenyl-imidazolidin-2-one hydrochloride 145341-39-5 C26H26N4O3*ClH
    4-(4'-amidino-4-biphenylyl)-1-(2-methoxycarbonyl-ethyl)-3-phenyl-imidazolidin-2-one hydrochloride
    —— 4-isopropyl-6-(5-mercapto-4-(1-methyl-1H-indol-5-yl)-4H-1,2,4-triazol-3-yl)benzene-1,3-diol 888216-21-5 C20H20N4O2S
    4-isopropyl-6-(5-mercapto-4-(1-methyl-1H-indol-5-yl)-4H-1,2,4-triazol-3-yl)benzene-1,3-diol
    —— 4,7-dioctyl-5,6-dicyanobenzo-1,3-dithiole-2-one 1345829-19-7 C25H34N2OS2
    4,7-dioctyl-5,6-dicyanobenzo-1,3-dithiole-2-one
    —— ((4S,6S)-6-Methyl-2-oxo-[1,3]oxazinan-4-yl)-acetic acid methyl ester 94944-32-8 C8H13NO4
    ((4S,6S)-6-Methyl-2-oxo-[1,3]oxazinan-4-yl)-acetic acid methyl ester
    —— 4-<1-amino-3-(3,4-dimethoxyphenyl)-2-propenyl>tropolone 88839-32-1 C18H19NO4
    4-<1-amino-3-(3,4-dimethoxyphenyl)-2-propenyl>tropolone
    —— (4S,5S,6R)-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-phenyl-8-phenylmethoxyoctane-1,5-diol 374590-27-9 C28H44O4Si
    (4S,5S,6R)-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-4-phenyl-8-phenylmethoxyoctane-1,5-diol
    —— 4-{3-[3-((R)-1-Methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-ureido]-benzyloxycarbonylamino}-butyric acid 181508-09-8 C29H29N5O6
    4-{3-[3-((R)-1-Methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-ureido]-benzyloxycarbonylamino}-butyric acid
    —— 4-(6-oxo-3-methylene-heptanesulfonyl)-1-methyl-benzene 121986-37-6 C15H20O3S
    4-(6-oxo-3-methylene-heptanesulfonyl)-1-methyl-benzene
    —— (4R,5S)-4-(tert-butyldiphenylsilyloxy)methyl-5-(3,4-methylenedioxyphenyl)dihydro-3(2H)-furanone 189557-90-2 C28H30O5Si
    (4R,5S)-4-(tert-butyldiphenylsilyloxy)methyl-5-(3,4-methylenedioxyphenyl)dihydro-3(2H)-furanone
    —— 4-methyl-5-[(E)-pent-2-en-(Z)-ylidene]cyclopent-2-enone 1108699-59-7 C11H14O
    4-methyl-5-[(E)-pent-2-en-(Z)-ylidene]cyclopent-2-enone
    —— 4-Hydroxy-8-methyl-7-oxo-7,8-dihydro-pteridin 6743-18-6 C7H6N4O2
    4-Hydroxy-8-methyl-7-oxo-7,8-dihydro-pteridin
    —— (4-methoxy-phenyl)-phenyl-acetic acid-(3-diethylamino-1,2-dimethyl-propyl ester) 115098-76-5 C24H33NO3
    (4-methoxy-phenyl)-phenyl-acetic acid-(3-diethylamino-1,2-dimethyl-propyl ester)
    —— 4-(4-amino-[1]naphthylazo)-2-hydroxy-benzoic acid 93326-17-1 C17H13N3O3
    4-(4-amino-[1]naphthylazo)-2-hydroxy-benzoic acid
    —— 4-<sup>3</sup>H-Diphenylsulfid 95323-02-7 C12H10S
    4-<sup>3</sup>H-Diphenylsulfid
    —— 4-(Phenylacetyl)-amino-3-oxo-thiophan 89213-25-2 C12H13NO2S
    4-(Phenylacetyl)-amino-3-oxo-thiophan
    —— 4-(4,4'-diacetoxy-benzhydryl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 88688-94-2 C28H26N2O5
    4-(4,4'-diacetoxy-benzhydryl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-Thienyl-3-buten-2-on-(4-nitro-phenyl-hydrazon) 92166-49-9 C14H13N3O2S
    4-Thienyl-3-buten-2-on-(4-nitro-phenyl-hydrazon)
    —— 4-ethoxy-benzenesulfonic acid-(5-isopropyl-[1,3,4]thiadiazol-2-ylamide) 106377-85-9 C13H17N3O3S2
    4-ethoxy-benzenesulfonic acid-(5-isopropyl-[1,3,4]thiadiazol-2-ylamide)
    —— 4a-Methyl-1,2,3,4,4a,4b,5,6,7,8,9,10,12,12a-tetradecahydro-chrysen-2-ol 100148-06-9 C19H28O
    4a-Methyl-1,2,3,4,4a,4b,5,6,7,8,9,10,12,12a-tetradecahydro-chrysen-2-ol
    —— 4-[(6-chloro-3-methyl-4-oxo-3,4-dihydro-2-quinazolinyl)methyl]-2,2-difluoro-8-[(1S)-1-hydroxyethyl]-2H-1,4-benzoxazin-3(4H)-one 1263412-27-6 C20H16ClF2N3O4
    4-[(6-chloro-3-methyl-4-oxo-3,4-dihydro-2-quinazolinyl)methyl]-2,2-difluoro-8-[(1S)-1-hydroxyethyl]-2H-1,4-benzoxazin-3(4H)-one
    —— 4-Carbomethoxy-oxybenz-2-chloranilid 92433-81-3 C15H12ClNO4
    4-Carbomethoxy-oxybenz-2-chloranilid
    —— 4-Hydroxy-3.6-dimethoxy-2-tosyloxy-5-allyl-acetophenon 111497-77-9 C20H22O7S
    4-Hydroxy-3.6-dimethoxy-2-tosyloxy-5-allyl-acetophenon
    —— 4-(3,5-Di-t-butylphenylazo)-azobenzol 5384-83-8 C26H30N4
    4-(3,5-Di-t-butylphenylazo)-azobenzol
    —— 4-(N-Methyl-3-nitro-benzoyl-amino)-4'-dimethyl-amino-stilben 115291-47-9 C24H23N3O3
    4-(N-Methyl-3-nitro-benzoyl-amino)-4'-dimethyl-amino-stilben
    —— 4-(4-ethyl-phenyl)-2,3-dimethyl-5-phenyl-thiazolium; iodide 27893-72-7 C19H20NS*I
    4-(4-ethyl-phenyl)-2,3-dimethyl-5-phenyl-thiazolium; iodide
    —— 4-(4-hexadecyloxybenzoyloxy)benzoyl chloride 1127647-73-7 C30H41ClO4
    4-(4-hexadecyloxybenzoyloxy)benzoyl chloride
    —— 4-[(1S)-1-[[3-bromo-1-[(4-chlorophenyl)methyl]indole-7-carbonyl]amino]ethyl]benzoic acid 1097195-08-8 C25H20BrClN2O3
    4-[(1S)-1-[[3-bromo-1-[(4-chlorophenyl)methyl]indole-7-carbonyl]amino]ethyl]benzoic acid
    —— 4-nitro-benzaldehyde (4-phenyl-thiazol-2-ylcarbamimidoyl)-hydrazone 7764-63-8 C17H14N6O2S
    4-nitro-benzaldehyde (4-phenyl-thiazol-2-ylcarbamimidoyl)-hydrazone
    —— 4-(1-ethyl-2,6-dimethyl-1H-pyridin-4-ylidene)-2-phenyl-4H-oxazol-5-one 13895-67-5 C18H18N2O2
    4-(1-ethyl-2,6-dimethyl-1H-pyridin-4-ylidene)-2-phenyl-4H-oxazol-5-one
    —— 4-Sulfino-benzoic acid; compound with 2-benzyl-isothiourea 129762-67-0 C7H6O4S*C8H10N2S
    4-Sulfino-benzoic acid; compound with 2-benzyl-isothiourea
    —— 4-Dimethylamino-6-(4-nitro-phenyl)-3,4-dihydro-2H-[1,4]thiazine-3-carbaldehyde 170881-09-1 C13H15N3O3S
    4-Dimethylamino-6-(4-nitro-phenyl)-3,4-dihydro-2H-[1,4]thiazine-3-carbaldehyde
    —— 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-1-(1,4,7-triazonan-1-yl)undecan-2-ol 1456887-27-6 C17H20F17N3O
    4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-1-(1,4,7-triazonan-1-yl)undecan-2-ol
    —— 4-[2-(2,4-dichloro-phenoxy)-phenylsuIfamoyl]-N-[(3-piperidin-4-yl-propylcarbamoyl)-methyl]-benzamide hydrochloride 1021523-37-4 C29H32Cl2N4O5S*ClH
    4-[2-(2,4-dichloro-phenoxy)-phenylsuIfamoyl]-N-[(3-piperidin-4-yl-propylcarbamoyl)-methyl]-benzamide hydrochloride
    —— 4,4,5,5,6,6,7,7,7-nonafluoro-2-iodoheptanenitrile 1363742-73-7 C7H3F9IN
    4,4,5,5,6,6,7,7,7-nonafluoro-2-iodoheptanenitrile