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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-1-oxo-1,2-diphenyl-1,2-dihydro-1λ<sup>5</sup>-phosphinin-2-ol 41902-16-3 C18H17O2P
    4-methyl-1-oxo-1,2-diphenyl-1,2-dihydro-1λ<sup>5</sup>-phosphinin-2-ol
    —— 4-(4-methoxyphenyl)-1-(4-(4-methoxyphenyl)-6-phenylpyrimidin-2-yl)azetidin-2-one 1446751-98-9 C27H23N3O3
    4-(4-methoxyphenyl)-1-(4-(4-methoxyphenyl)-6-phenylpyrimidin-2-yl)azetidin-2-one
    —— 4-((2-methoxy-2-((1-morpholino-3-(3-(trimethoxysilyl)propoxy)propan-2-yl)oxy)-1,6,2-dioxasilocan-8-yl)methyl)morpholine 1222257-42-2 C24H50N2O10Si2
    4-((2-methoxy-2-((1-morpholino-3-(3-(trimethoxysilyl)propoxy)propan-2-yl)oxy)-1,6,2-dioxasilocan-8-yl)methyl)morpholine
    —— (4S,5S)-1-N,2-N-bis(2-iodophenyl)-4,5-bis(phenylmethoxy)cyclohexene-1,2-dicarboxamide 247061-31-0 C34H30I2N2O4
    (4S,5S)-1-N,2-N-bis(2-iodophenyl)-4,5-bis(phenylmethoxy)cyclohexene-1,2-dicarboxamide
    —— 4,4-diamino-1,1,1-trifluorobut-3-en-2-one 128648-75-9 C4H5F3N2O
    4,4-diamino-1,1,1-trifluorobut-3-en-2-one
    —— 4-(1-hexynyl)-3-[(trimethylsilyl)ethynyl]pyridine 805240-24-8 C16H21NSi
    4-(1-hexynyl)-3-[(trimethylsilyl)ethynyl]pyridine
    —— (+)-4-demethoxy-3-fluoro-3'-N-trifluoroacetyldaunomycin 118173-19-6 C28H25F4NO10
    (+)-4-demethoxy-3-fluoro-3'-N-trifluoroacetyldaunomycin
    —— (4R)-4-[(1'R,2'R)-2'-(benzyloxy)-1',3'-dihydroxypropyl]oxazolidin-2-one 1611460-11-7 C13H17NO5
    (4R)-4-[(1'R,2'R)-2'-(benzyloxy)-1',3'-dihydroxypropyl]oxazolidin-2-one
    —— 4-(4-chloro-benzyl)-2,2-dimethyl-8-piperazin-1-yl-4H-benzo[1,4]oxazin-3-one, hydrochloride salt 688363-37-3 C21H24ClN3O2*ClH
    4-(4-chloro-benzyl)-2,2-dimethyl-8-piperazin-1-yl-4H-benzo[1,4]oxazin-3-one, hydrochloride salt
    —— 4-[2-(Benzyloxycarbamoyl-methyl)-3-ethyl-6-fluoro-3H-benzoimidazol-5-yl]-piperazine-1-carboxylic acid tert-butyl ester 139495-84-4 C27H34FN5O4
    4-[2-(Benzyloxycarbamoyl-methyl)-3-ethyl-6-fluoro-3H-benzoimidazol-5-yl]-piperazine-1-carboxylic acid tert-butyl ester
    —— (4S,5R)-4-(benzylamino)-5-hydroxy-2-methyl-6-phenyl-1-hexene 115205-96-4 C20H25NO
    (4S,5R)-4-(benzylamino)-5-hydroxy-2-methyl-6-phenyl-1-hexene
    —— 4',7-dihydroxy-3',5'-dimethylflavanone 1262526-63-5 C17H16O4
    4',7-dihydroxy-3',5'-dimethylflavanone
    —— 4-phenyl-N2-pyridin-2-ylmethyl-1H-imidazole-1,2-diamine 1252259-32-7 C15H15N5
    4-phenyl-N2-pyridin-2-ylmethyl-1H-imidazole-1,2-diamine
    —— (4aR,5S,8R,8aR,9aR)-2,4,4a,5,6,7,8,8a,9,9a-decahydro-8a-hydroxy-9a-methoxy-3,4a,5-trimethyl-2-oxonaphtho[2,3-b]furan-8-yl acetate 1370517-52-4 C18H26O6
    (4aR,5S,8R,8aR,9aR)-2,4,4a,5,6,7,8,8a,9,9a-decahydro-8a-hydroxy-9a-methoxy-3,4a,5-trimethyl-2-oxonaphtho[2,3-b]furan-8-yl acetate
    —— 4-(2-chlorophenyl)-6-(4-chlorophenyl)-2-(phenylamino)nicotinonitrile 1392014-17-3 C24H15Cl2N3
    4-(2-chlorophenyl)-6-(4-chlorophenyl)-2-(phenylamino)nicotinonitrile
    —— 4'-chloro-N-methyl-[1,1'-biphenyl]-2-carboxamide 67856-49-9 C14H12ClNO
    4'-chloro-N-methyl-[1,1'-biphenyl]-2-carboxamide
    —— 4-(4-bromophenoxy)benzil 77123-52-5 C20H13BrO3
    4-(4-bromophenoxy)benzil
    —— 4,7,10,13,20,23,26,29,34,42-Decaoxa-44-azapentacyclo[15.15.11.136,40.03,30.014,19]tetratetraconta-1,3(30),14(19),15,17,31,36(44),37,39-nonaene-35,41-dione 937026-65-8 C33H37NO12
    4,7,10,13,20,23,26,29,34,42-Decaoxa-44-azapentacyclo[15.15.11.136,40.03,30.014,19]tetratetraconta-1,3(30),14(19),15,17,31,36(44),37,39-nonaene-35,41-dione
    —— 4,4-dimethyl-3-[(triisopropylsilyl)ethynyl]oxazolidin-2-one 1469438-18-3 C16H29NO2Si
    4,4-dimethyl-3-[(triisopropylsilyl)ethynyl]oxazolidin-2-one
    —— 4-(2,2-diethoxyethylaminomethyl)-2,5-dimethylphenol 106886-59-3 C15H25NO3
    4-(2,2-diethoxyethylaminomethyl)-2,5-dimethylphenol
    —— 4,6-bis((tert-butyldimethylsilyl)oxy)-2-(methoxymethoxy)-3-(3-methylbut-2-en-1-yl)benzaldehyde 426820-46-4 C26H46O5Si2
    4,6-bis((tert-butyldimethylsilyl)oxy)-2-(methoxymethoxy)-3-(3-methylbut-2-en-1-yl)benzaldehyde
    —— 4-[(1R,2R,3aS,8bS)-2-Acetoxy-1-((E)-(R)-3-hydroxy-4-methyl-oct-1-en-6-ynyl)-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-5-yl]-butyric acid methyl ester 274250-87-2 C27H34O6
    4-[(1R,2R,3aS,8bS)-2-Acetoxy-1-((E)-(R)-3-hydroxy-4-methyl-oct-1-en-6-ynyl)-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-5-yl]-butyric acid methyl ester
    —— 4-(3-(4-methylphenyl)-4-{[2-(4-(4-methylphenyl)-1,3-thiazol-2-yl)-hydrazono]methyl}-1H-pyrazol-1-yl)benzenesulfonamide 1351938-10-7 C27H24N6O2S2
    4-(3-(4-methylphenyl)-4-{[2-(4-(4-methylphenyl)-1,3-thiazol-2-yl)-hydrazono]methyl}-1H-pyrazol-1-yl)benzenesulfonamide
    —— 4-(3-bromo-phenyl)-3-methyl-2-methylsulfanyl-thiazolium; iodide 21812-07-7 C11H11BrNS2*I
    4-(3-bromo-phenyl)-3-methyl-2-methylsulfanyl-thiazolium; iodide
    —— 4-(4-{[2-(4-(4-chlorophenyl)-1,3-thiazol-2-yl)hydrazono]methyl}-3-phenyl-1H-pyrazol-1-yl)benzenesulfonamide 1351938-00-5 C25H19ClN6O2S2
    4-(4-{[2-(4-(4-chlorophenyl)-1,3-thiazol-2-yl)hydrazono]methyl}-3-phenyl-1H-pyrazol-1-yl)benzenesulfonamide
    —— 4-[(2-{[4-(dimethylamino)phenyl]amino}-1-methyl-1H-benzimidazol-5-yl)oxy]-N-[3-(4-methylpiperazin-1-yl)propyl]pyridine-2-carboxamide 611217-56-2 C30H38N8O2
    4-[(2-{[4-(dimethylamino)phenyl]amino}-1-methyl-1H-benzimidazol-5-yl)oxy]-N-[3-(4-methylpiperazin-1-yl)propyl]pyridine-2-carboxamide
    —— 4-[5-(4-chlorophenyl)-4-(4-pyridinyl)-1H-pyrazol-3-yl]-1-piperazineethanamine 1065470-35-0 C20H23ClN6
    4-[5-(4-chlorophenyl)-4-(4-pyridinyl)-1H-pyrazol-3-yl]-1-piperazineethanamine
    —— 4-amino-3-(4-bromophenyl)-N'-[1-(2,5-dimethoxyphenyl)ethylidene]-2-thioxo-2,3-dihydrothiazole-5-carbohydrazide 1385784-05-3 C20H19BrN4O3S2
    4-amino-3-(4-bromophenyl)-N'-[1-(2,5-dimethoxyphenyl)ethylidene]-2-thioxo-2,3-dihydrothiazole-5-carbohydrazide
    —— 4,4,10,10-tetraisopropyl-1,1,7,7-tetramethyl-1,7-disila-4,10-digermacyclododeca-2,5,8,11-tetrayne 721426-90-0 C24H40Ge2Si2
    4,4,10,10-tetraisopropyl-1,1,7,7-tetramethyl-1,7-disila-4,10-digermacyclododeca-2,5,8,11-tetrayne
    —— {4-[Amino(phenyl)methyl]oxan-4-yl}methanol 1909305-33-4 C13H19NO2
    {4-[Amino(phenyl)methyl]oxan-4-yl}methanol
    —— 4-Ethoxy-4'-diethylamino-7-acetoxyflavylium-Kation 47583-27-7 C23H26NO4
    4-Ethoxy-4'-diethylamino-7-acetoxyflavylium-Kation
    —— 4-[2-(2-Hexadecyloxy-phenylcarbamoyl)-acetyl]-benzenesulfonyl fluoride 2489-38-5 C31H44FNO5S
    4-[2-(2-Hexadecyloxy-phenylcarbamoyl)-acetyl]-benzenesulfonyl fluoride
    —— 4-bromo-N-[(3R,4S)-3-hydroxytetrahydro-2H-pyran-4-yl]quinoline-2-carboxamide 1314141-59-7 C15H15BrN2O3
    4-bromo-N-[(3R,4S)-3-hydroxytetrahydro-2H-pyran-4-yl]quinoline-2-carboxamide
    —— 4-(6-Chloro-naphthalene-2-sulfonyl)-piperazine-2-carboxylic acid cyclohexylmethyl-amide 724706-30-3 C22H28ClN3O3S
    4-(6-Chloro-naphthalene-2-sulfonyl)-piperazine-2-carboxylic acid cyclohexylmethyl-amide
    —— 4-methyl-A-homo-5α-cholestan-3-one 133545-99-0 C29H50O
    4-methyl-A-homo-5α-cholestan-3-one
    —— 4-amino-6-(((1R)-1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(2-pyridinyl)-2-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile 1377616-28-8 C24H18FN9O
    4-amino-6-(((1R)-1-(6-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)-3-(2-pyridinyl)-2-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile
    —— 4-(hex-5-enyl)benzonitrile 142779-16-6 C13H15N
    4-(hex-5-enyl)benzonitrile
    —— 4-[6-bromo-2-(oxetan-3-yloxy)-1,3-benzodiazol-1-yl]pyrimidin-2-amine 1394120-94-5 C14H12BrN5O2
    4-[6-bromo-2-(oxetan-3-yloxy)-1,3-benzodiazol-1-yl]pyrimidin-2-amine
    —— 4,5-dicarbamido-3-methyl-1,3-thiazoline-2-thione 169824-80-0 C6H7N3O2S2
    4,5-dicarbamido-3-methyl-1,3-thiazoline-2-thione
    —— 4-(5-(2,5-bis(2-ethylhexyl)-3,6-dioxo-4-(thiophen-2-yl)-2,3,5,6-tetrahydropyrrolo[3,4-c]pyrrol-1-yl)thiophen-2-yl)benzaldehyde 1404193-07-2 C37H44N2O3S2
    4-(5-(2,5-bis(2-ethylhexyl)-3,6-dioxo-4-(thiophen-2-yl)-2,3,5,6-tetrahydropyrrolo[3,4-c]pyrrol-1-yl)thiophen-2-yl)benzaldehyde
    —— (4-chloro-phenyl)-(6-methyl-[2]pyridyl)-disulfide 109188-54-7 C12H10ClNS2
    (4-chloro-phenyl)-(6-methyl-[2]pyridyl)-disulfide
    —— 4-tert-butyl-2-hydroxy-5-methoxybenzaldehyde 1055987-77-3 C12H16O3
    4-tert-butyl-2-hydroxy-5-methoxybenzaldehyde
    —— 4-phenethyl-N-(1-phenylethyl)aniline 1397252-93-5 C22H23N
    4-phenethyl-N-(1-phenylethyl)aniline
    —— 4'-acetamido-2-thiocyanatoacetophenone 99984-80-2 C11H10N2O2S
    4'-acetamido-2-thiocyanatoacetophenone
    —— (4-hydroxy-4-phenyl-but-1-en-1-yl)diphenylphosphine-borane 1262225-13-7 C22H24BOP
    (4-hydroxy-4-phenyl-but-1-en-1-yl)diphenylphosphine-borane
    —— 4-[[5-chloro-4-[[(1R,2R)-1-[methyl(methylsulfonyl)amino]-2,3-dihydro-1H-inden-2-yl]oxy]pyrimidin-2-yl]amino]-2-fluoro-N,5-dimethoxybenzamide 1283689-85-9 C24H25ClFN5O6S
    4-[[5-chloro-4-[[(1R,2R)-1-[methyl(methylsulfonyl)amino]-2,3-dihydro-1H-inden-2-yl]oxy]pyrimidin-2-yl]amino]-2-fluoro-N,5-dimethoxybenzamide
    —— 4-S-Benzyl-1-p-tolyl-2,4-dithio-isobiuret 53243-38-2 C16H17N3S2
    4-S-Benzyl-1-p-tolyl-2,4-dithio-isobiuret
    —— 4-(4-formylphenoxy)butyl 2-acetamido-4-O-β-D-galactopyranosyl-2-deoxy-β-D-glucopyranoside 1240386-72-4 C25H37NO13
    4-(4-formylphenoxy)butyl 2-acetamido-4-O-β-D-galactopyranosyl-2-deoxy-β-D-glucopyranoside
    —— {4-[(1-methyl-1H-indazol-3-yl)methyl]-5-oxo-1-phenyl-4,5-dihydro-6H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-6-yl}acetic acid. 1228935-24-7 C27H22N6O3
    {4-[(1-methyl-1H-indazol-3-yl)methyl]-5-oxo-1-phenyl-4,5-dihydro-6H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-6-yl}acetic acid.
    —— 4-(3-cyano-5-hydroxymethylindol-1-yl)benzoic acid ethyl ester 1071970-48-3 C19H16N2O3
    4-(3-cyano-5-hydroxymethylindol-1-yl)benzoic acid ethyl ester