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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-hydroxy-6-iodo-8-methyl-2-oxo-1H-quinoline-3-carboxylic acid 908006-04-2 C11H8INO4
    4-hydroxy-6-iodo-8-methyl-2-oxo-1H-quinoline-3-carboxylic acid
    —— 4-Amino-7-methoxy-pteridin 89937-99-5 C7H7N5O
    4-Amino-7-methoxy-pteridin
    —— 4-((2R)-1-(3-hydroxypyrrolidin-1-yl)-1-oxobutan-2-yl)-4,5-dihydropyrrolo[4,3,2-de][2,6]naphthyridin-3(1H)-one 1258065-82-5 C17H20N4O3
    4-((2R)-1-(3-hydroxypyrrolidin-1-yl)-1-oxobutan-2-yl)-4,5-dihydropyrrolo[4,3,2-de][2,6]naphthyridin-3(1H)-one
    —— 4-[2-(6,7-bis-benzyloxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-yl)-ethyl]-2-methoxy-phenol 64635-74-1 C33H35NO4
    4-[2-(6,7-bis-benzyloxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-yl)-ethyl]-2-methoxy-phenol
    —— 4-(4-methoxy-benzylidene)-2,3a,5,6,6a-pentaphenyl-(3a<i>r</i>,6a<i>c</i>)-4,6a-dihydro-3a<i>H</i>-cyclopenta[1,3,2]dioxaborole 58225-48-2 C43H33BO3
    4-(4-methoxy-benzylidene)-2,3a,5,6,6a-pentaphenyl-(3a<i>r</i>,6a<i>c</i>)-4,6a-dihydro-3a<i>H</i>-cyclopenta[1,3,2]dioxaborole
    —— 4-(4-Methylbenzene-sulfonanilido-3'-yl)-1,2,3-thiadiazole 76883-84-6 C15H13N3O2S2
    4-(4-Methylbenzene-sulfonanilido-3'-yl)-1,2,3-thiadiazole
    —— 4,6-diazido-2,3-di-O-acetyl-4,6-dideoxy-α-D-glucopyranosyl trichloroacetimidate 485809-78-7 C12H14Cl3N7O6
    4,6-diazido-2,3-di-O-acetyl-4,6-dideoxy-α-D-glucopyranosyl trichloroacetimidate
    —— (4aR,6R,7R,8S,8aR)-2-Phenyl-6-(2-tetradecyl-hexadecyloxy)-7-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-ol 208662-02-6 C70H104O10
    (4aR,6R,7R,8S,8aR)-2-Phenyl-6-(2-tetradecyl-hexadecyloxy)-7-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-ol
    —— 4-Nitro-benzenecarboperoxoic acid 2-(3,5-dimethyl-phenyl)-1,1-dimethyl-ethyl ester 34586-21-5 C19H21NO5
    4-Nitro-benzenecarboperoxoic acid 2-(3,5-dimethyl-phenyl)-1,1-dimethyl-ethyl ester
    —— 4-Diallylamino-1,2,4-triazol 6111-70-2 C8H12N4
    4-Diallylamino-1,2,4-triazol
    —— 4-methylsulfanyl-thiazole-2,5-dione 5-phenylhydrazone 51746-72-6 C10H9N3OS2
    4-methylsulfanyl-thiazole-2,5-dione 5-phenylhydrazone
    —— 4,4-dimethyl-2,5-cyclohexadienone-O-oxide 182254-28-0 C8H10O2
    4,4-dimethyl-2,5-cyclohexadienone-O-oxide
    —— (4-fluorophenyl)-[2-(3-methoxyphenyl)-1H-indol-3-yl]methanone 1179538-81-8 C22H16FNO2
    (4-fluorophenyl)-[2-(3-methoxyphenyl)-1H-indol-3-yl]methanone
    —— 4-(2-Furyl)-5-α-styryl-2-oxazolin 76717-77-6 C15H13NO2
    4-(2-Furyl)-5-α-styryl-2-oxazolin
    —— 4-methylsulfanyl-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-2-one 63994-08-1 C16H20N2O8S
    4-methylsulfanyl-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-2-one
    —— 4-((10R,13R)-3-Acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-3-(acetylamino-methyl)-3-hydroxy-butyric acid ethyl ester 61530-18-5 C30H47NO6
    4-((10R,13R)-3-Acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-3-(acetylamino-methyl)-3-hydroxy-butyric acid ethyl ester
    —— 4,12,12-Trimethyl-tricyclo[7.2.2.0<sup>1,7</sup>]tridec-7-ene-10,10,11,11-tetracarbonitrile 51469-14-8 C20H22N4
    4,12,12-Trimethyl-tricyclo[7.2.2.0<sup>1,7</sup>]tridec-7-ene-10,10,11,11-tetracarbonitrile
    —— 4-hydroxymethyl-9-methyl-2,3,4,9-tetrahydro-β-carbolin-1-one 56974-24-4 C13H14N2O2
    4-hydroxymethyl-9-methyl-2,3,4,9-tetrahydro-β-carbolin-1-one
    —— (4-Nitro-phenylazo)-acetic acid [1-(4-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide 58153-49-4 C15H13N5O4
    (4-Nitro-phenylazo)-acetic acid [1-(4-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide
    —— 4,4'-Bis(4-chloro-2-N-methylanilino-1,3,5-triazin-2-ylamino)-2,2'-stilbendisulfonsaeure 56682-95-2 C34H28Cl2N10O6S2
    4,4'-Bis(4-chloro-2-N-methylanilino-1,3,5-triazin-2-ylamino)-2,2'-stilbendisulfonsaeure
    —— [4-(3-chloro-benzylidene)-2-(4-chloro-phenyl)-5-oxo-4,5-dihydro-imidazol-1-yl]-acetic acid ethyl ester 59698-98-5 C20H16Cl2N2O3
    [4-(3-chloro-benzylidene)-2-(4-chloro-phenyl)-5-oxo-4,5-dihydro-imidazol-1-yl]-acetic acid ethyl ester
    —— 4-(4-methoxy-benzylidene)-5-(4-nitro-phenyl)-2-phenyl-2,4-dihydro-pyrazol-3-one 59439-97-3 C23H17N3O4
    4-(4-methoxy-benzylidene)-5-(4-nitro-phenyl)-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— 4-Hydroxy-2-isopropyl-furo[3,2-g]chromen-7-one 104317-93-3 C14H12O4
    4-Hydroxy-2-isopropyl-furo[3,2-g]chromen-7-one
    —— 4-Hydroxy-pyrrolo<1,2a>-chinolin 61034-89-7 C12H9NO
    4-Hydroxy-pyrrolo<1,2a>-chinolin
    —— 4-<(1-Hydroxy-1-methyl)ethyl>-5,6-dihydro-3-phenyl-6-<(trimethylsilyl)methyl>-4H-1,2-oxazine 115117-99-2 C17H27NO2Si
    4-<(1-Hydroxy-1-methyl)ethyl>-5,6-dihydro-3-phenyl-6-<(trimethylsilyl)methyl>-4H-1,2-oxazine
    —— (4-Methyl-piperidin-1-yl)-acetic acid 2-methoxy-4-{[(E)-4-methoxy-phenylimino]-methyl}-phenyl ester 61612-72-4 C23H28N2O4
    (4-Methyl-piperidin-1-yl)-acetic acid 2-methoxy-4-{[(E)-4-methoxy-phenylimino]-methyl}-phenyl ester
    —— (4-(4-chlorophenoxy)piperidin-1-yl)(3,5-dihydroxyphenyl)methanone 1304784-22-2 C18H18ClNO4
    (4-(4-chlorophenoxy)piperidin-1-yl)(3,5-dihydroxyphenyl)methanone
    —— 4-(4-propyl-piperazin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester 873955-79-4 C17H33N3O2
    4-(4-propyl-piperazin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester
    —— 4,4'-dibromo-3,3'-bis(hexyloxy)biphenyl 1259986-26-9 C24H32Br2O2
    4,4'-dibromo-3,3'-bis(hexyloxy)biphenyl
    —— (4-(4-chlorophenoxy)piperidin-1-yl)(imidazo[1,2-a]pyridin-6-yl)methanone 1304782-44-2 C19H18ClN3O2
    (4-(4-chlorophenoxy)piperidin-1-yl)(imidazo[1,2-a]pyridin-6-yl)methanone
    —— (4-(4-chlorophenoxy)piperidin-1-yl)(8-methoxyquinolin-2-yl)methanone 1304781-04-1 C22H21ClN2O3
    (4-(4-chlorophenoxy)piperidin-1-yl)(8-methoxyquinolin-2-yl)methanone
    —— 4,4-Dimethyl-3-(triphenylsilyl)-5,5-bis(trimethylsilyl)-1,2,3-triaza-4-sila-1-cyclopenten 108148-61-4 C27H39N3Si4
    4,4-Dimethyl-3-(triphenylsilyl)-5,5-bis(trimethylsilyl)-1,2,3-triaza-4-sila-1-cyclopenten
    —— 4-(3-Chloro-phenyl)-6-methylene-[1,3]dioxepane 273400-24-1 C12H13ClO2
    4-(3-Chloro-phenyl)-6-methylene-[1,3]dioxepane
    —— 4-amino-6-(((1S)-1-(3-(3,5-difluorophenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)ethyl)amino)-5-pyrimidinecarbonitrile 1259081-16-7 C21H15F2N7O
    4-amino-6-(((1S)-1-(3-(3,5-difluorophenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)ethyl)amino)-5-pyrimidinecarbonitrile
    —— 4-amino-3-{5-[(3R,5S)-3,5-dimethylpiperazin-1-yl]-1H-benzimidazol-2-yl}quinolin-2(1H)-one 668423-26-5 C22H24N6O
    4-amino-3-{5-[(3R,5S)-3,5-dimethylpiperazin-1-yl]-1H-benzimidazol-2-yl}quinolin-2(1H)-one
    —— 4-(6-hydroxy-4-methoxy-benzofuran-5-yl)-6-methyl-1(3)<i>H</i>-pyrimidin-2-one 17432-89-2 C14H12N2O4
    4-(6-hydroxy-4-methoxy-benzofuran-5-yl)-6-methyl-1(3)<i>H</i>-pyrimidin-2-one
    —— 4-methyl-6-oxo-6-(2-oxooxazolidin-3-yl)hexanenitrile 1309873-29-7 C10H14N2O3
    4-methyl-6-oxo-6-(2-oxooxazolidin-3-yl)hexanenitrile
    —— 4-ethyl-1-<2-(2-thienyl)-4-thiazolecarbonyl>-thiosemicarbazide 154324-03-5 C11H12N4OS3
    4-ethyl-1-<2-(2-thienyl)-4-thiazolecarbonyl>-thiosemicarbazide
    —— 4-{8-[3-cyclobutyl-4-(trifluoromethoxy)benzyl]-2-oxo-1-oxa-3,8-diazaspiro[4.5]dec-3-yl}benzoic acid trifluoroacetate 1360918-01-9 C2HF3O2*C26H27F3N2O5
    4-{8-[3-cyclobutyl-4-(trifluoromethoxy)benzyl]-2-oxo-1-oxa-3,8-diazaspiro[4.5]dec-3-yl}benzoic acid trifluoroacetate
    —— 4-Chlor-butan-1-sulfonsaeure-<N'-phenyl-hydrazid> 90972-84-2 C10H15ClN2O2S
    4-Chlor-butan-1-sulfonsaeure-<N'-phenyl-hydrazid>
    —— (4aR,5S,6S,8S,8aR)-6-nitro-5-phenyloctahydro-2H-thiochromene-8-carbaldehyde 1242319-09-0 C16H19NO3S
    (4aR,5S,6S,8S,8aR)-6-nitro-5-phenyloctahydro-2H-thiochromene-8-carbaldehyde
    —— (4-fluoro-3-methyl-phenyl)-(3-isopropyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)methanol 745826-99-7 C17H18FN3O
    (4-fluoro-3-methyl-phenyl)-(3-isopropyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)methanol
    —— 4-amino-3,5-dibromo-benzaldehyde-oxime 119385-85-2 C7H6Br2N2O
    4-amino-3,5-dibromo-benzaldehyde-oxime
    —— 4-Nonyloxy-benzoic acid 4-acetyl-phenyl ester 55097-87-5 C24H30O4
    4-Nonyloxy-benzoic acid 4-acetyl-phenyl ester
    —— 4-[2-(4-methoxy-phenyl)-oxazol-5-yl]-morpholine 51803-72-6 C14H16N2O3
    4-[2-(4-methoxy-phenyl)-oxazol-5-yl]-morpholine
    —— (4-methoxy-7-bicyclo[4.2.0]octa-1(6),2,4-trienyl)-(2,2,4-trimethyl-1,3-dioxolan-4-yl)methanone 128257-41-0 C16H20O4
    (4-methoxy-7-bicyclo[4.2.0]octa-1(6),2,4-trienyl)-(2,2,4-trimethyl-1,3-dioxolan-4-yl)methanone
    —— 4-methyl-2,2-diphenyl-3-pentenal 1824489-04-4 C13H16O
    4-methyl-2,2-diphenyl-3-pentenal
    —— 4a-Methoxy-9-(4-methoxy-phenyl)-3,6-dimethyl-3,4,4a,5,6,7,9,9a-octahydro-2H-xanthene-1,8-dione 55771-25-0 C23H28O5
    4a-Methoxy-9-(4-methoxy-phenyl)-3,6-dimethyl-3,4,4a,5,6,7,9,9a-octahydro-2H-xanthene-1,8-dione
    —— 4a-methoxy-3,3,6,6-tetramethyl-9-phenyl-3,4,4a,5,6,7,9,9a-octahydro-2<i>H</i>-xanthene-1,8-dione 55771-21-6 C24H30O4
    4a-methoxy-3,3,6,6-tetramethyl-9-phenyl-3,4,4a,5,6,7,9,9a-octahydro-2<i>H</i>-xanthene-1,8-dione
    —— 4,4'-Bis-(5-cyclohexyl-1,3-dimethyl-2-oxo-6-thioxo-pyrimidinyl)-disulfid 56528-38-2 C24H34N4O2S4
    4,4'-Bis-(5-cyclohexyl-1,3-dimethyl-2-oxo-6-thioxo-pyrimidinyl)-disulfid