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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4'-C-triethylsilylethynyl-3',5'-di-O-acetyl-2'-bromo-2'-deoxyuridine 233266-99-4 C21H29BrN2O7Si
    4'-C-triethylsilylethynyl-3',5'-di-O-acetyl-2'-bromo-2'-deoxyuridine
    —— (4-methylphenyl)-diphenylphosphane;trichlorotantalum 189884-07-9 C38H34Cl6P2Ta2
    (4-methylphenyl)-diphenylphosphane;trichlorotantalum
    —— 4,5-dibromobenzo<1,2-c:3,4-c'>dithiophene 88687-07-4 C10H4Br2S2
    4,5-dibromobenzo<1,2-c:3,4-c'>dithiophene
    —— 4-(((2-oxopyridin-1(2H)-yl)oxy)methyl)phenylboronic acid 1325206-84-5 C12H12BNO4
    4-(((2-oxopyridin-1(2H)-yl)oxy)methyl)phenylboronic acid
    —— 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridazine 1350626-28-6 C11H14BF3N2O2
    4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-(trifluoromethyl)pyridazine
    —— 4-phenylstyreneboronic acid pinacol ester 475100-38-0 C20H23BO2
    4-phenylstyreneboronic acid pinacol ester
    —— (4bR,7aS,9aR)-2-Isopropyl-1,3,4-trimethoxy-4b,7a-dimethyl-5,6,7,7a-tetrahydro-4bH-9-oxa-cyclobuta[j]phenanthrene-8,10,11-trione 87784-49-4 C23H28O7
    (4bR,7aS,9aR)-2-Isopropyl-1,3,4-trimethoxy-4b,7a-dimethyl-5,6,7,7a-tetrahydro-4bH-9-oxa-cyclobuta[j]phenanthrene-8,10,11-trione
    —— 4-(4-octyloxyphenylethynyl)phenyl trifluoromethanesulfonate 1162754-48-4 C23H25F3O4S
    4-(4-octyloxyphenylethynyl)phenyl trifluoromethanesulfonate
    —— (4S,5R,6S)-5-Hydroxy-4,6-dimethyl-7-oxo-nonanoic acid methyl ester 142821-46-3 C12H22O4
    (4S,5R,6S)-5-Hydroxy-4,6-dimethyl-7-oxo-nonanoic acid methyl ester
    —— (4R)-1-o-nitrobenzyloxycarbonylhydroxymethyl-4-(2,2'-furanyl-2,2-dimethylthio)ethyl-azetidin-2-one 88139-87-1 C20H22N2O7S2
    (4R)-1-o-nitrobenzyloxycarbonylhydroxymethyl-4-(2,2'-furanyl-2,2-dimethylthio)ethyl-azetidin-2-one
    —— (+/-)-4',6-dimethoxymethoxy-8-allyl-flavanone 1134396-43-2 C22H24O6
    (+/-)-4',6-dimethoxymethoxy-8-allyl-flavanone
    —— 4-butyl-3-methyl-phthalic acid-anhydride 100797-86-2 C13H14O3
    4-butyl-3-methyl-phthalic acid-anhydride
    —— 4-methyl-N-((2-methyloxiran-2-yl)methyl)-N-(prop-2-yn-1-yl)benzenesulfonamide 1260522-64-2 C14H17NO3S
    4-methyl-N-((2-methyloxiran-2-yl)methyl)-N-(prop-2-yn-1-yl)benzenesulfonamide
    —— 4-carbamoyl-1-<(2-hydroxyethoxy)methyl>-5-(methylamino)imidazole 111022-64-1 C8H14N4O3
    4-carbamoyl-1-<(2-hydroxyethoxy)methyl>-5-(methylamino)imidazole
    —— 4-[(E)-6-((S)-2,2-Dimethyl-6-methylene-cyclohexyl)-4-methyl-hex-3-enyl]-5-hydroxy-5H-furan-2-one 114301-72-3 C20H30O3
    4-[(E)-6-((S)-2,2-Dimethyl-6-methylene-cyclohexyl)-4-methyl-hex-3-enyl]-5-hydroxy-5H-furan-2-one
    —— 4-(4-Methoxy-benzyloxymethyl)-benzenesulfonyl chloride 190711-55-8 C15H15ClO4S
    4-(4-Methoxy-benzyloxymethyl)-benzenesulfonyl chloride
    —— (4S,5R)-4-Hydroxymethyl-5-((E)-5-hydroxy-3-methyl-pent-3-enyl)-4-methyl-[1,3]dioxolan-2-one 90460-95-0 C11H18O5
    (4S,5R)-4-Hydroxymethyl-5-((E)-5-hydroxy-3-methyl-pent-3-enyl)-4-methyl-[1,3]dioxolan-2-one
    —— 4-(2,4-dichlorophenyl)-5-methyl-2-{N-[α-cyclopropyl-4-(benzyloxymethyl)benzyl]N-propylamino}thiazole 166524-92-1 C31H32Cl2N2OS
    4-(2,4-dichlorophenyl)-5-methyl-2-{N-[α-cyclopropyl-4-(benzyloxymethyl)benzyl]N-propylamino}thiazole
    —— 4-oxo-1-phenyl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide 2997-28-6 C17H15NO2
    4-oxo-1-phenyl-1,2,3,4-tetrahydro-1-naphthalenecarboxamide
    —— 4-[6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-2-(ethylamino)-3-quinolinyl]-N-methylbenzamide 1366128-87-1 C31H27F2N5O4S
    4-[6-[5-{[(2,4-difluorophenyl)sulfonyl]amino}-6-(methyloxy)-3-pyridinyl]-2-(ethylamino)-3-quinolinyl]-N-methylbenzamide
    —— 4-Isobutyl-6-(3-methylphenyl)-2-(trifluoromethyl)nicotinic acid potassium salt 1130343-53-1 C18H17F3NO2*K
    4-Isobutyl-6-(3-methylphenyl)-2-(trifluoromethyl)nicotinic acid potassium salt
    —— 4-[1-methyl-2,4-dioxo-6-(4-sulfamoyl-benzylcarbamoyl)-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-ylmethyl]-benzoic acid 448965-43-3 C23H20N4O7S2
    4-[1-methyl-2,4-dioxo-6-(4-sulfamoyl-benzylcarbamoyl)-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-ylmethyl]-benzoic acid
    —— (4S)-4-(2-methoxyethyl)-5,5-dimethylcyclopent-1-ene-1-carboxylic acid 1224598-79-1 C11H18O3
    (4S)-4-(2-methoxyethyl)-5,5-dimethylcyclopent-1-ene-1-carboxylic acid
    —— 4,6-dimethoxy-1-(4-methoxy-phenyl)-[2]naphthoic acid 856074-88-9 C20H18O5
    4,6-dimethoxy-1-(4-methoxy-phenyl)-[2]naphthoic acid
    —— 4-Butoxy-3-methyl-trans-buten-2-yl-amin 21622-96-8 C9H19NO
    4-Butoxy-3-methyl-trans-buten-2-yl-amin
    —— 4-ethoxy-3,5,3'-trinitro-benzophenone 860564-39-2 C15H11N3O8
    4-ethoxy-3,5,3'-trinitro-benzophenone
    —— (4Z,6E)-5,6,-dipropyl-4-[2-(4-methoxypyridin-2-yl)]deca-4,6-diene 1012796-89-2 C22H35NO
    (4Z,6E)-5,6,-dipropyl-4-[2-(4-methoxypyridin-2-yl)]deca-4,6-diene
    —— 4-methylpiperazin-1-yl biguanide dihydrochloride 5900-60-7 C7H16N6*2ClH
    4-methylpiperazin-1-yl biguanide dihydrochloride
    —— 4-O-[[(3aS,4R,6S,7R,7aS)-7-acetyloxy-6-[(R)-[(4S,5R)-5-(dimethoxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy]-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl]methyl] 1-O-[2-(N-ethyl-4-phenyldiazenylanilino)ethyl] butanedioate 930805-72-4 C45H63N3O16
    4-O-[[(3aS,4R,6S,7R,7aS)-7-acetyloxy-6-[(R)-[(4S,5R)-5-(dimethoxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy]-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl]methyl] 1-O-[2-(N-ethyl-4-phenyldiazenylanilino)ethyl] butanedioate
    —— 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-enenitrile 1449568-94-8 C10H16BNO2
    4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)but-3-enenitrile
    —— 4-(2,4-dichlorophenyl)-5-(ethylthio)-4-methylbenzo[e]cyclopenta[g]isoindole-1,3(2H,4H)-dione 1427405-92-2 C24H17Cl2NO2S
    4-(2,4-dichlorophenyl)-5-(ethylthio)-4-methylbenzo[e]cyclopenta[g]isoindole-1,3(2H,4H)-dione
    —— 4-methyl-5,7-difluoro-2-azafluorenone 114995-39-0 C13H7F2NO
    4-methyl-5,7-difluoro-2-azafluorenone
    —— 4-{[2,4-difluoro-3-(methyloxy)phenyl]methyl}-2-(4-morpholinyl)[1,3]thiazolo[4,5-d]pyrimidin-7(4H)-one 1256289-60-7 C17H16F2N4O3S
    4-{[2,4-difluoro-3-(methyloxy)phenyl]methyl}-2-(4-morpholinyl)[1,3]thiazolo[4,5-d]pyrimidin-7(4H)-one
    —— 4-butyl-6,7,7,7-tetrafluoro-2-phenyl-2(E),5(Z)-heptadienal 1601497-13-5 C17H18F4O
    4-butyl-6,7,7,7-tetrafluoro-2-phenyl-2(E),5(Z)-heptadienal
    —— 4-(4-Methoxy-2,6-dimethylbenzoyloxy)pyridin 74669-67-3 C15H15NO3
    4-(4-Methoxy-2,6-dimethylbenzoyloxy)pyridin
    —— 4-(2-chloroimidazo[1,2-a]pyridin-3-yl)-N-(3-morpholinophenyl)pyrimidin-2-amine 1257078-27-5 C21H19ClN6O
    4-(2-chloroimidazo[1,2-a]pyridin-3-yl)-N-(3-morpholinophenyl)pyrimidin-2-amine
    —— (+)-(4S,5R)-5-chloro-4-nonanol 208656-71-7 C9H19ClO
    (+)-(4S,5R)-5-chloro-4-nonanol
    —— 4,5-bis(5-(3-methoxystyryl)thiophen-2-yl)-1,3-dimethyl-2-phenyl-1H-imidazol-3-ium iodide 1282039-64-8 C37H33N2O2S2*I
    4,5-bis(5-(3-methoxystyryl)thiophen-2-yl)-1,3-dimethyl-2-phenyl-1H-imidazol-3-ium iodide
    —— 4-(difluoro(phenylthio)methyl)-1-(4-fluorophenyl)-3-methyl-1,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one 1350908-51-8 C20H14F3N3OS
    4-(difluoro(phenylthio)methyl)-1-(4-fluorophenyl)-3-methyl-1,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one
    —— 4-(2-(2-(2-ethoxyethoxy)ethoxy)ethoxy)benzaldehyde 126750-24-1 C15H22O5
    4-(2-(2-(2-ethoxyethoxy)ethoxy)ethoxy)benzaldehyde
    —— 4,4′-bis((2-methylphenyl)sulfanyl)-2,2′,5,5′-tetrahydroxybiphenyl 1536348-76-1 C26H22O4S2
    4,4′-bis((2-methylphenyl)sulfanyl)-2,2′,5,5′-tetrahydroxybiphenyl
    —— 4-phenyl-1,2-(o-9',12'--carbonyl)-3,5-dithiapentane 91984-07-5 C9H16B10S2
    4-phenyl-1,2-(o-9',12'--carbonyl)-3,5-dithiapentane
    —— (4,5-Dihydro-2,2,5,5-tetramethyl-4-oxo-3(2H)-furanyliden)malonsaeure-diethylester 76486-93-6 C15H22O6
    (4,5-Dihydro-2,2,5,5-tetramethyl-4-oxo-3(2H)-furanyliden)malonsaeure-diethylester
    —— (4-methoxybenzoyloxymethyl)trimethoxysilane 76240-99-8 C12H18O6Si
    (4-methoxybenzoyloxymethyl)trimethoxysilane
    —— 4-[({[4-(1-adamantyl)phenyl]sulfonyl}amino)methyl]-N-(3-pyridinyl)benzamide 1262990-23-7 C29H31N3O3S
    4-[({[4-(1-adamantyl)phenyl]sulfonyl}amino)methyl]-N-(3-pyridinyl)benzamide
    —— 4'-Iodo-biphenyl-3-carboxylic acid (3R,5S,8R,9S,10S,13S,14S)-17-[1,5-dimethyl-hex-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester 96034-23-0 C40H53IO2
    4'-Iodo-biphenyl-3-carboxylic acid (3R,5S,8R,9S,10S,13S,14S)-17-[1,5-dimethyl-hex-(Z)-ylidene]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester
    —— 4-((2,4-dimethylphenylsulfonamido)methyl)-N-(pyridin-3-yl)benzamide 1262990-47-5 C21H21N3O3S
    4-((2,4-dimethylphenylsulfonamido)methyl)-N-(pyridin-3-yl)benzamide
    —— 4,4'-Diethyl-2,2'-bipyrrol 91556-60-4 C12H16N2
    4,4'-Diethyl-2,2'-bipyrrol
    —— 4-amino-6-ethyl-pyrimidine-5-carboxylic acid amide 54122-60-0 C7H10N4O
    4-amino-6-ethyl-pyrimidine-5-carboxylic acid amide
    —— 4-Carboxy-1H-cycloheptimidazol-2-on 1673-68-3 C9H6N2O3
    4-Carboxy-1H-cycloheptimidazol-2-on