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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Morpholin-4-yl-N-thiazol-2-yl-butyramide 76099-66-6 C11H17N3O2S
    4-Morpholin-4-yl-N-thiazol-2-yl-butyramide
    —— 4-(2-hydroxyethoxy)-2-methyl-5,6-dihydro[1]benzofuro[3',2':2,3]oxepino[4,5-d]pyrimidine 1639424-16-0 C17H16N2O4
    4-(2-hydroxyethoxy)-2-methyl-5,6-dihydro[1]benzofuro[3',2':2,3]oxepino[4,5-d]pyrimidine
    —— 4-Hydroxy-3-methoxy-4-(2,6-dithiacyclohexyl)-2-ethenyl-2-cyclobuten-1-one 161033-66-5 C11H14O3S2
    4-Hydroxy-3-methoxy-4-(2,6-dithiacyclohexyl)-2-ethenyl-2-cyclobuten-1-one
    —— 4-methyl-N-((S)-1-(pentyloxy)allyl)-N-((R)-5-(trimethylsilyl)pent-4-yn-2-yl)benzenesulfonamide 1361969-75-6 C23H37NO3SSi
    4-methyl-N-((S)-1-(pentyloxy)allyl)-N-((R)-5-(trimethylsilyl)pent-4-yn-2-yl)benzenesulfonamide
    —— 4-allyl-8-methylsulfanyl-4H-3,4,7,9,9b-pentaaza-cyclopenta[a]naphthalen-5-one 1395026-74-0 C12H11N5OS
    4-allyl-8-methylsulfanyl-4H-3,4,7,9,9b-pentaaza-cyclopenta[a]naphthalen-5-one
    —— 4-cyano-5,6-diphenyl-N(2)-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-pyridazin-3-one 1185467-06-4 C28H25N3O8
    4-cyano-5,6-diphenyl-N(2)-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-pyridazin-3-one
    —— 4-bromo-N-(3-(2-((4-bromophenyl)(hydroxy)methylene)hydrazineyl)-2-nitroallylidene)benzohydrazonic acid 85352-74-5 C17H13Br2N5O4
    4-bromo-N-(3-(2-((4-bromophenyl)(hydroxy)methylene)hydrazineyl)-2-nitroallylidene)benzohydrazonic acid
    —— 4-hydroxy-6-isopropoxy-2-oxo-2H-chromene-3-carboxylic acid methyl ester 1175095-46-1 C14H14O6
    4-hydroxy-6-isopropoxy-2-oxo-2H-chromene-3-carboxylic acid methyl ester
    —— [4-[hydroxy-(4-methylphenyl)methyl]-3,4-dihydro-2H-pyridin-1-yl]-(4-methoxyphenyl)methanone 1073151-35-5 C21H23NO3
    [4-[hydroxy-(4-methylphenyl)methyl]-3,4-dihydro-2H-pyridin-1-yl]-(4-methoxyphenyl)methanone
    —— 4-(3-chloro-propyl)-2-(2-hydroxy-phenyl)-4<i>H</i>-[1,3,4]oxadiazin-5-one 53995-35-0 C12H13ClN2O3
    4-(3-chloro-propyl)-2-(2-hydroxy-phenyl)-4<i>H</i>-[1,3,4]oxadiazin-5-one
    —— (4S)-4-isopropyl-3-(3-phenylpentanoyl)oxazolidin-2-one 1453105-86-6 C17H23NO3
    (4S)-4-isopropyl-3-(3-phenylpentanoyl)oxazolidin-2-one
    —— [4-[(3-Methoxyoxan-4-yl)amino]piperidin-1-yl]-[5-methyl-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)pyrimidin-4-yl]methanone 1349196-47-9 C27H37N5O3
    [4-[(3-Methoxyoxan-4-yl)amino]piperidin-1-yl]-[5-methyl-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)pyrimidin-4-yl]methanone
    —— (4R)-3-(3-phenylmethoxyphenyl)-4-pyridin-3-yl-4,5-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 1350613-83-0 C23H18N4O2
    (4R)-3-(3-phenylmethoxyphenyl)-4-pyridin-3-yl-4,5-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one
    —— 4-Amino-5-phosphono-pentanoic acid 82102-23-6 C5H12NO5P
    4-Amino-5-phosphono-pentanoic acid
    —— 4-[(4-Ethoxy-2-nitro-phenyl)-hydrazono]-2,5-dimethyl-2,4-dihydro-pyrazol-3-one 136384-70-8 C13H15N5O4
    4-[(4-Ethoxy-2-nitro-phenyl)-hydrazono]-2,5-dimethyl-2,4-dihydro-pyrazol-3-one
    —— 4-[cyclopropyl-(2-{4-[2-(2-methoxymethyl-pyrrolidin-1-yl)2-oxo-ethyl]-phenyl}-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester 1557036-58-4 C32H43N5O5
    4-[cyclopropyl-(2-{4-[2-(2-methoxymethyl-pyrrolidin-1-yl)2-oxo-ethyl]-phenyl}-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-chloro-6-(2-phenylethyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine 1037599-92-0 C14H13ClN4
    4-chloro-6-(2-phenylethyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine
    —— 4-<dimethyl-(t-butyl)silyloxy>-3,3-bis-<7-<dimethyl-(t-butyl)silyloxy>heptyl>cyclopentanone 77425-90-2 C37H78O4Si3
    4-<dimethyl-(t-butyl)silyloxy>-3,3-bis-<7-<dimethyl-(t-butyl)silyloxy>heptyl>cyclopentanone
    —— 4-chloro-(4-{[4-(1,1-dioxo-isothiazolidin-2-yl)-phenylcarbamoyl]-methyl}-thiazol-2-yl)-benzamide 895571-06-9 C21H19ClN4O4S2
    4-chloro-(4-{[4-(1,1-dioxo-isothiazolidin-2-yl)-phenylcarbamoyl]-methyl}-thiazol-2-yl)-benzamide
    —— 4-[3-(2-bromo-phenyl)-5-methyl-isoxazole-4-carbonyl]-1H-pyrrole-2-carboxylic acid 929890-21-1 C16H11BrN2O4
    4-[3-(2-bromo-phenyl)-5-methyl-isoxazole-4-carbonyl]-1H-pyrrole-2-carboxylic acid
    —— 4-((4-chlorophenyl)amino)hexan-3-one 1424002-61-8 C12H16ClNO
    4-((4-chlorophenyl)amino)hexan-3-one
    —— 4-acetoxy-hexan-3-one 99768-38-4 C8H14O3
    4-acetoxy-hexan-3-one
    —— 4-[(E)-3-(3,4-dichloro-phenyl)-acryloyl]-3,3-dimethyl-piperazin-2-one 1101840-37-2 C15H16Cl2N2O2
    4-[(E)-3-(3,4-dichloro-phenyl)-acryloyl]-3,3-dimethyl-piperazin-2-one
    —— [4-(cyclopropylamino)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-[6-[(6-cyclopropyl-3-pyridyl)amino]-2-fluoro-3-pyridyl]methanone 1344665-53-7 C23H20FN7O
    [4-(cyclopropylamino)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-[6-[(6-cyclopropyl-3-pyridyl)amino]-2-fluoro-3-pyridyl]methanone
    —— 4-methyl-4-phenyl-4-sila-pent-2-ynoyl-(1'-phenyl-2'-p-tolyl)-ethylamide 78935-14-5 C26H27NOSi
    4-methyl-4-phenyl-4-sila-pent-2-ynoyl-(1'-phenyl-2'-p-tolyl)-ethylamide
    —— [4-(dimethylamino)-2-(1-methylethoxy)-3-phenylquinolin-6-yl](1-methyl-1H-imidazol-5-yl)pyridin-4-ylmethanol trifluoroacetate 1600564-94-0 C2HF3O2*C30H31N5O2
    [4-(dimethylamino)-2-(1-methylethoxy)-3-phenylquinolin-6-yl](1-methyl-1H-imidazol-5-yl)pyridin-4-ylmethanol trifluoroacetate
    —— (4-hydroxy-3,4,5-tri-<i>p</i>-tolyl-3,4-dihydro-2<i>H</i>-pyrazol-3-yl)-<i>p</i>-tolyl-methanone 54656-04-1 C32H30N2O2
    (4-hydroxy-3,4,5-tri-<i>p</i>-tolyl-3,4-dihydro-2<i>H</i>-pyrazol-3-yl)-<i>p</i>-tolyl-methanone
    —— 4-Hydrazino-7-benzylthio-1,2,5-thiadiazol(3,4-d)-pyridazin 56463-41-3 C11H10N6S2
    4-Hydrazino-7-benzylthio-1,2,5-thiadiazol(3,4-d)-pyridazin
    —— 4-indol-2-yl-2,5-dimethyl-phenol 54921-55-0 C16H15NO
    4-indol-2-yl-2,5-dimethyl-phenol
    —— 4-hydroxy-1,2-diphenyl-4-propyl-pyrazolidine-3,5-dione 55228-13-2 C18H18N2O3
    4-hydroxy-1,2-diphenyl-4-propyl-pyrazolidine-3,5-dione
    —— 4-chloro-N-[4-({[2-chloro-6-(trifluoromethyl)quinazolin-4-yl]amino}methyl)phenyl]benzamid 1039736-16-7 C23H15Cl2F3N4O
    4-chloro-N-[4-({[2-chloro-6-(trifluoromethyl)quinazolin-4-yl]amino}methyl)phenyl]benzamid
    —— [4-(2-{2-(acetylamino)-5-[4-(methylsulfonyl)benzyl]-1,3-thiazol-4-yl}ethyl)phenyl]acetic acid 874901-45-8 C23H24N2O5S2
    [4-(2-{2-(acetylamino)-5-[4-(methylsulfonyl)benzyl]-1,3-thiazol-4-yl}ethyl)phenyl]acetic acid
    —— 4-Acetonyl-4-methyl-2,3-diphenyl-isocrotonlacton 54715-97-8 C20H18O3
    4-Acetonyl-4-methyl-2,3-diphenyl-isocrotonlacton
    —— 4,4-dimethyl-5α-androstane-3β,17β-diol 97923-74-5 C21H36O2
    4,4-dimethyl-5α-androstane-3β,17β-diol
    —— {4-methoxy-3-[2-(2,2,2-trifluoro-ethylsulfanylmethyl)-4-(3-trifluoromethyl-benzoylamino)-phenoxy]-phenyl}-acetic acid ethyl ester 1203505-66-1 C28H25F6NO5S
    {4-methoxy-3-[2-(2,2,2-trifluoro-ethylsulfanylmethyl)-4-(3-trifluoromethyl-benzoylamino)-phenoxy]-phenyl}-acetic acid ethyl ester
    —— 4-(1-methylcyclobutyl)benzene-1,2-diamine 1380292-09-0 C11H16N2
    4-(1-methylcyclobutyl)benzene-1,2-diamine
    —— 4-Fluoro-2-{2-[4-(1-oxo-1H-1λ4-benzo[d]isothiazol-3-yl)-piperazin-1-yl]-ethyl}-phenylamine 865787-14-0 C19H21FN4OS
    4-Fluoro-2-{2-[4-(1-oxo-1H-1λ4-benzo[d]isothiazol-3-yl)-piperazin-1-yl]-ethyl}-phenylamine
    —— (4aR,8S,8aS)-8-Methoxy-4a,8a-dimethyl-octahydro-naphthalen-2-one 80800-77-7 C13H22O2
    (4aR,8S,8aS)-8-Methoxy-4a,8a-dimethyl-octahydro-naphthalen-2-one
    —— 4,4,5,5-tetrakis(4-fluorophenyl)-2-(propa-1,2-dienyl)-1,3,2-dioxaborolane 1245285-99-7 C29H19BF4O2
    4,4,5,5-tetrakis(4-fluorophenyl)-2-(propa-1,2-dienyl)-1,3,2-dioxaborolane
    —— 4-Bromo-6-(trifluoromethyl)phenanthrene-9-carboxylic acid 38746-03-1 C16H8BrF3O2
    4-Bromo-6-(trifluoromethyl)phenanthrene-9-carboxylic acid
    —— 4-((1R,4r)-4-((1R,3s,5S)-8-(tert-butoxycarbonyl)-8-azabicyclo[3.2.1]octan-3-yloxy)cyclohexyloxy)-3-fluorobenzoic acid 1430746-25-0 C25H34FNO6
    4-((1R,4r)-4-((1R,3s,5S)-8-(tert-butoxycarbonyl)-8-azabicyclo[3.2.1]octan-3-yloxy)cyclohexyloxy)-3-fluorobenzoic acid
    —— 4,7-dimethyl-spiro[indeno[1,2-<i>c</i>][1,2,5]thiadiazole-8,3'-pyrazole]-4',5'-dicarboxylic acid dimethyl ester 72562-94-8 C17H14N4O4S
    4,7-dimethyl-spiro[indeno[1,2-<i>c</i>][1,2,5]thiadiazole-8,3'-pyrazole]-4',5'-dicarboxylic acid dimethyl ester
    —— 4-methoxybenzyl (5R,6S)-2-[1-(3-acetoxyphenylethenyl)-6-[(1R)-1-tert-butyldimethylsilyloxyethyl]carbapen-2-em-3-carboxylate 189072-63-7 C33H41NO7Si
    4-methoxybenzyl (5R,6S)-2-[1-(3-acetoxyphenylethenyl)-6-[(1R)-1-tert-butyldimethylsilyloxyethyl]carbapen-2-em-3-carboxylate
    —— 4-chloro-5-ethyl-2-(5-dimethylaminomethylthiophen-2-yl)-6-methylpyrimidine 915084-59-2 C14H18ClN3S
    4-chloro-5-ethyl-2-(5-dimethylaminomethylthiophen-2-yl)-6-methylpyrimidine
    —— 4-Nitro-2-[[2-oxo-1-(2-phenylhydrazinyl)propylidene]amino]benzoic acid 60942-97-4 C16H14N4O5
    4-Nitro-2-[[2-oxo-1-(2-phenylhydrazinyl)propylidene]amino]benzoic acid
    —— 4,15-dimethylenedispiro[2.8.212.83]docosane 1332655-09-0 C24H40
    4,15-dimethylenedispiro[2.8.212.83]docosane
    —— 4-methyl-3-oxo-2-oxa-bicyclo[2.2.2]oct-7-ene-5,6-dicarboxylic acid anhydride 56427-20-4 C10H8O5
    4-methyl-3-oxo-2-oxa-bicyclo[2.2.2]oct-7-ene-5,6-dicarboxylic acid anhydride
    —— 4-Phenyl-4-(trimethylsiloxy)butansaeure-methylester 106543-48-0 C14H22O3Si
    4-Phenyl-4-(trimethylsiloxy)butansaeure-methylester
    —— 4-methyl-2-[1-(4-bromophenyl)-2,2,2-trifluoroethoxy]pentanoic acid 1374996-94-7 C14H16BrF3O3
    4-methyl-2-[1-(4-bromophenyl)-2,2,2-trifluoroethoxy]pentanoic acid
    —— 4-amino-1-(3-phenoxazin-10-yl-propyl)-pyridinium; chloride 100168-02-3 C20H20N3O*Cl
    4-amino-1-(3-phenoxazin-10-yl-propyl)-pyridinium; chloride