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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-bromo-1,3,5(10)-estratriene-2,3,16α,17β-tetraol 16,17-diacetate 116382-63-9 C22H27BrO6
    4-bromo-1,3,5(10)-estratriene-2,3,16α,17β-tetraol 16,17-diacetate
    —— 4-(acetoxymethyl)-3,5-diphenyl-2-methylisoxazolidine 164738-93-6 C19H21NO3
    4-(acetoxymethyl)-3,5-diphenyl-2-methylisoxazolidine
    —— (4aα,5β,8aβ)-decahydroquinoline-5-carboxylic acid hydrochloride 98761-61-6 C10H17NO2*ClH
    (4aα,5β,8aβ)-decahydroquinoline-5-carboxylic acid hydrochloride
    —— 4-methylpentynyl acetate 113779-47-8 C8H12O2
    4-methylpentynyl acetate
    —— 4-[[4-hydroxycyclohexyl]amino]-2-(trifluoromethyl)benzonitrile 1163268-86-7 C14H15F3N2O
    4-[[4-hydroxycyclohexyl]amino]-2-(trifluoromethyl)benzonitrile
    —— 4-iodophenyl phosphonic acid monoethyl ester 1443991-44-3 C8H10IO3P
    4-iodophenyl phosphonic acid monoethyl ester
    —— (4-chlorophenyl)-[2-(4-ethylpiperidin-1-yl)-5-nitrophenyl]methanone 113456-87-4 C20H21ClN2O3
    (4-chlorophenyl)-[2-(4-ethylpiperidin-1-yl)-5-nitrophenyl]methanone
    —— 4,4,7-Trimethyltetracyclo[5.1.0.0<sup>3.5</sup>0<sup>2.8</sup>]octan 61772-29-0 C11H16
    4,4,7-Trimethyltetracyclo[5.1.0.0<sup>3.5</sup>0<sup>2.8</sup>]octan
    —— 4-chloro-6-(3,4-dihydroquinazolin-2-yl)benzene-1,3-diol 1374975-74-2 C14H11ClN2O2
    4-chloro-6-(3,4-dihydroquinazolin-2-yl)benzene-1,3-diol
    —— 4-((2-hydroxybenzylidene)amino)-2-(piperidin-1-ylmethyl)-5-((1-(piperidin-1-ylmethyl)-1H-indol-3-yl)methyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 1619926-09-8 C30H37N7OS
    4-((2-hydroxybenzylidene)amino)-2-(piperidin-1-ylmethyl)-5-((1-(piperidin-1-ylmethyl)-1H-indol-3-yl)methyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
    —— 4-[(4-chlorophenyl)methyl]-2-[((2S)-1-{4-[4-methoxyphenyl]butyl}-2-pyrrolidinyl)methyl]-1(2H)-phthalazinone 955360-36-8 C31H34ClN3O2
    4-[(4-chlorophenyl)methyl]-2-[((2S)-1-{4-[4-methoxyphenyl]butyl}-2-pyrrolidinyl)methyl]-1(2H)-phthalazinone
    —— 4-iodophenyl (R)-3-nitro-4-(octan-2-yloxy)benzoate 1215034-96-0 C21H24INO5
    4-iodophenyl (R)-3-nitro-4-(octan-2-yloxy)benzoate
    —— 4-ethenyl-6-fluoro-2-naphthalenecarbonitrile 852880-34-3 C13H8FN
    4-ethenyl-6-fluoro-2-naphthalenecarbonitrile
    —— (4S)-3-benzyl-4-[(1'R)-4'-(benzyloxy)-1'-(formyloxy)butyl]-2-oxooxazolidine-4-carboxylic acid 1315158-54-3 C23H25NO7
    (4S)-3-benzyl-4-[(1'R)-4'-(benzyloxy)-1'-(formyloxy)butyl]-2-oxooxazolidine-4-carboxylic acid
    —— 4,5-dimethoxy-<i>N</i>-methyl-2-naphtho[2,3-<i>d</i>][1,3]dioxol-5-yl-benzamide 66471-33-8 C21H19NO5
    4,5-dimethoxy-<i>N</i>-methyl-2-naphtho[2,3-<i>d</i>][1,3]dioxol-5-yl-benzamide
    —— [4,4-bis[(benzyloxy)methyl]-2-[(E)-(N,N-diethylcarbamoyl)methylene]cyclopent-1-yl]methyl phenyl sulfone 1361956-52-6 C34H41NO5S
    [4,4-bis[(benzyloxy)methyl]-2-[(E)-(N,N-diethylcarbamoyl)methylene]cyclopent-1-yl]methyl phenyl sulfone
    —— 4-(benzylthio)-3-(1,3-dithian-2-ylidene)butan-2-one 1059605-42-3 C15H18OS3
    4-(benzylthio)-3-(1,3-dithian-2-ylidene)butan-2-one
    —— 4-amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-3-(3-trifluoroacetamidoprop-1-yl)-1H-pyrazolo[3,4-d]pyrimidine 1332499-25-8 C15H19F3N6O4
    4-amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-3-(3-trifluoroacetamidoprop-1-yl)-1H-pyrazolo[3,4-d]pyrimidine
    —— 4-((4-benzylpiperazin-1-yl)methyl)-N-(1-(pyridin-3-ylmethyl)piperidin-4-yl)benzamide 1160786-70-8 C30H37N5O
    4-((4-benzylpiperazin-1-yl)methyl)-N-(1-(pyridin-3-ylmethyl)piperidin-4-yl)benzamide
    —— 4-[3-methyl-3-(methylamino)azetidin-1-yl]-6-[(2S)-tetrahydrofuran-2-yl]pyrimidin-2-amine 1161824-93-6 C13H21N5O
    4-[3-methyl-3-(methylamino)azetidin-1-yl]-6-[(2S)-tetrahydrofuran-2-yl]pyrimidin-2-amine
    —— {4-[4-(3-chlorophenyl)-2-piperidin-4-yl-thiazol-5-yl]pyrimidin-2-yl}cyclopropylamine 917811-36-0 C21H22ClN5S
    {4-[4-(3-chlorophenyl)-2-piperidin-4-yl-thiazol-5-yl]pyrimidin-2-yl}cyclopropylamine
    —— 4-{6-[3-(2-morpholin-4-yl-ethyl)-ureido]-benzothiazol-2-ylsulfanylmethyl}-benzoic acid methyl ester 866001-24-3 C23H26N4O4S2
    4-{6-[3-(2-morpholin-4-yl-ethyl)-ureido]-benzothiazol-2-ylsulfanylmethyl}-benzoic acid methyl ester
    —— 4-[5-(2-cyclopentylaminopyrimidin-4-yl)-4-(3-methylphenyl)thiazol-2-yl]piperidine-1-carboxylic acid ethyl ester 917809-39-3 C27H33N5O2S
    4-[5-(2-cyclopentylaminopyrimidin-4-yl)-4-(3-methylphenyl)thiazol-2-yl]piperidine-1-carboxylic acid ethyl ester
    —— {4-[7-(4-methanesulfonyl-phenyl)-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino]-2-methyl-phenyl}-(4-methyl-piperazin-1-yl)-methanone 1180154-98-6 C26H28N6O3S
    {4-[7-(4-methanesulfonyl-phenyl)-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino]-2-methyl-phenyl}-(4-methyl-piperazin-1-yl)-methanone
    —— 4-((3-methoxyphenyl)ethynyl)-1H-pyrrolo[2,3-b]pyridine 1174296-90-2 C16H12N2O
    4-((3-methoxyphenyl)ethynyl)-1H-pyrrolo[2,3-b]pyridine
    —— 4-benzoyl-3-methylenechroman-4-carbaldehyde 1179326-15-8 C18H14O3
    4-benzoyl-3-methylenechroman-4-carbaldehyde
    —— 4-methyl-N-(1-(4-methylbenzoyl)pyridin-2(1H)-ylidene)benzamide 86843-79-0 C21H18N2O2
    4-methyl-N-(1-(4-methylbenzoyl)pyridin-2(1H)-ylidene)benzamide
    —— 4-chloro-1,4,4-trifluoro-3-trifluoromethyl-buta-1,2-diene 15052-59-2 C5HClF6
    4-chloro-1,4,4-trifluoro-3-trifluoromethyl-buta-1,2-diene
    —— 4-(1-(4-cyanobenzyl)piperidin-4-yloxy)-N-(1-(pyridin-4-ylmethyl)piperidin-4-yl)benzamide 1037491-19-2 C31H35N5O2
    4-(1-(4-cyanobenzyl)piperidin-4-yloxy)-N-(1-(pyridin-4-ylmethyl)piperidin-4-yl)benzamide
    —— 4-[2-amino-4-(4-fluoro-3-pyrimidin-5-ylphenyl)-1-ethyl-5-oxo-4,5-dihydro-1H-imidazol-4-yl]phenyl methanesuIfonate 1035267-31-2 C22H20FN5O4S
    4-[2-amino-4-(4-fluoro-3-pyrimidin-5-ylphenyl)-1-ethyl-5-oxo-4,5-dihydro-1H-imidazol-4-yl]phenyl methanesuIfonate
    —— 4-[3-(4-Chloro-phenyl)-3,3a,4,5-tetrahydro-benzo[g]indazol-2-yl]-benzenesulfonamide 162130-62-3 C23H20ClN3O2S
    4-[3-(4-Chloro-phenyl)-3,3a,4,5-tetrahydro-benzo[g]indazol-2-yl]-benzenesulfonamide
    —— 4-Isopropyl-1H-pyrazole-3,5-diamine 1375087-22-1 C6H12N4
    4-Isopropyl-1H-pyrazole-3,5-diamine
    —— 4-O-allyl-2,3-di-O-benzoyl-α-D-xylopyranosyl bromide 128785-13-7 C22H21BrO6
    4-O-allyl-2,3-di-O-benzoyl-α-D-xylopyranosyl bromide
    —— (4S,5S)-3-Benzyl-5-((E)-hept-1-enyl)-2-oxo-oxazolidine-4-carboxylic acid amide 264186-62-1 C18H24N2O3
    (4S,5S)-3-Benzyl-5-((E)-hept-1-enyl)-2-oxo-oxazolidine-4-carboxylic acid amide
    —— 4-[2-[(4-nitrophenyl)methylidene]hydrazinyl]naphtho[2,3-h]quinazoline-7,12-dione 203126-39-0 C23H13N5O4
    4-[2-[(4-nitrophenyl)methylidene]hydrazinyl]naphtho[2,3-h]quinazoline-7,12-dione
    —— 4,4-difluoro-1,3,5,7-tetramethyl-8-(3',3'-bis-(4-methoxyphenyl)-3'H-naphtho[2,1-b]pyran-8'-yl)-4-bora-3a,4a-diaza-s-indacene 1360879-21-5 C40H35BF2N2O3
    4,4-difluoro-1,3,5,7-tetramethyl-8-(3',3'-bis-(4-methoxyphenyl)-3'H-naphtho[2,1-b]pyran-8'-yl)-4-bora-3a,4a-diaza-s-indacene
    —— 4'-Carboxymethylphenyl trans-4-guanidinomethylcyclohexanecarboxylate hydrochloride 78718-55-5 C17H23N3O4*ClH
    4'-Carboxymethylphenyl trans-4-guanidinomethylcyclohexanecarboxylate hydrochloride
    —— (4-benzo [b]naphtho[2,3-d]thiophen-11-yl-2,6-diiodo-phenoxy)-acetic acid methyl ester 250351-67-8 C25H16I2O3S
    (4-benzo [b]naphtho[2,3-d]thiophen-11-yl-2,6-diiodo-phenoxy)-acetic acid methyl ester
    —— 4-oxo-10-propyl-6-(1-pyrrolidino)-4H-pyrano[3,2-g]quinoline-2,8-dicarboxylic acid 760124-32-1 C21H20N2O6
    4-oxo-10-propyl-6-(1-pyrrolidino)-4H-pyrano[3,2-g]quinoline-2,8-dicarboxylic acid
    —— 4-(N,N'-diethoxycarbonylhydrazino)-5,6-dihydro-2H-thiapyran-3(4H)-one 1,1-dioxide 83925-88-6 C11H18N2O7S
    4-(N,N'-diethoxycarbonylhydrazino)-5,6-dihydro-2H-thiapyran-3(4H)-one 1,1-dioxide
    —— 4-chloro-2-(phenylsulfonimidoyl)acetanilide 56446-86-7 C14H13ClN2O2S
    4-chloro-2-(phenylsulfonimidoyl)acetanilide
    —— 4-(1-Methanesulfonyl-1H-pyridin-4-ylidene)-morpholin-4-ium; chloride 63489-21-4 C10H15N2O3S*Cl
    4-(1-Methanesulfonyl-1H-pyridin-4-ylidene)-morpholin-4-ium; chloride
    —— 4-[2-(3-ethyl-3H-benzothiazol-2-ylidene)-ethylidene]-2-ethylsulfanyl-4H-thiazol-5-one 873402-04-1 C16H16N2OS3
    4-[2-(3-ethyl-3H-benzothiazol-2-ylidene)-ethylidene]-2-ethylsulfanyl-4H-thiazol-5-one
    —— [4-Methyl-5-oxo-5H-furan-(2E)-ylidene]-acetyl chloride 74826-68-9 C7H5ClO3
    [4-Methyl-5-oxo-5H-furan-(2E)-ylidene]-acetyl chloride
    —— 4-chloro-2-(4-fluorophenoxy)-N-(2-oxo-1,2-oxo-1,2-dihydropyridin-4-yl)benzamide 1620846-21-0 C18H12ClFN2O3
    4-chloro-2-(4-fluorophenoxy)-N-(2-oxo-1,2-oxo-1,2-dihydropyridin-4-yl)benzamide
    —— 4-chloro-7H-benzo<e>perimidin-7-one 42419-79-4 C15H7ClN2O
    4-chloro-7H-benzo<e>perimidin-7-one
    —— 4-(4-bromophenyl)-6-trichloromethyl-2-phenyl-1,6-dihydropyrimidine 1450619-00-7 C17H12BrCl3N2
    4-(4-bromophenyl)-6-trichloromethyl-2-phenyl-1,6-dihydropyrimidine
    —— 4-Hydroxy-1,3-dihydro-benzo[c]thiepine-5-carboxylic acid ethyl ester 65039-89-6 C13H14O3S
    4-Hydroxy-1,3-dihydro-benzo[c]thiepine-5-carboxylic acid ethyl ester
    —— 4-[2-furan-2-yl-<i>N</i>-(toluene-4-sulfonyl)-propionimidoyl]-morpholine 64274-19-7 C18H22N2O4S
    4-[2-furan-2-yl-<i>N</i>-(toluene-4-sulfonyl)-propionimidoyl]-morpholine
    —— (4S,5R)-5-[2-(Diphenyl-phosphinoyl)-phenyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ((R)-1-hydroxymethyl-2-methyl-propyl)-amide 917893-87-9 C29H34NO5P
    (4S,5R)-5-[2-(Diphenyl-phosphinoyl)-phenyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ((R)-1-hydroxymethyl-2-methyl-propyl)-amide