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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-bromo-1,3-dimethyl-1H-pyrazole-4-carbaldehyde 1188046-77-6 C6H7BrN2O
    5-bromo-1,3-dimethyl-1H-pyrazole-4-carbaldehyde
    —— 5,5-Dibrom-6-(2-propenyliden)bicyclo<2.1.1>hexan 120545-93-9 C9H10Br2
    5,5-Dibrom-6-(2-propenyliden)bicyclo<2.1.1>hexan
    —— 5β,19-Dihydroxy-pregn-1-en-3,11,20-trion 103795-93-3 C21H28O5
    5β,19-Dihydroxy-pregn-1-en-3,11,20-trion
    —— 5-(5-bromo-2-hydroxy-phenyl)-2-phenyl-2H-pyridazin-3-one 1321900-83-7 C16H11BrN2O2
    5-(5-bromo-2-hydroxy-phenyl)-2-phenyl-2H-pyridazin-3-one
    —— 5-cyano-1,3-dihydro-4-ethyloxycarbonyl-6-tert-butyldimethylsilyl-2H-pyrrolo[3,4-c]carbazole-1,3-dione 1029277-59-5 C24H25N3O4Si
    5-cyano-1,3-dihydro-4-ethyloxycarbonyl-6-tert-butyldimethylsilyl-2H-pyrrolo[3,4-c]carbazole-1,3-dione
    —— 5-amino 3-methyl thiophene-2-carboxylic acid dimethyl amide trifluoroacetate 936360-78-0 C2HF3O2*C8H12N2OS
    5-amino 3-methyl thiophene-2-carboxylic acid dimethyl amide trifluoroacetate
    —— (5'S)-C-((1-(pent-3-enyl)(4-phenoxy)methyl)-1H-1,2,3-triazol-1-yl)thymidine 1550107-69-1 C24H29N5O6
    (5'S)-C-((1-(pent-3-enyl)(4-phenoxy)methyl)-1H-1,2,3-triazol-1-yl)thymidine
    —— 5-ethoxy-2-hydroxy-6-oxo-1-phenyl-1,6-dihydropyrimidine-4-carboxylic acid 886221-47-2 C13H12N2O5
    5-ethoxy-2-hydroxy-6-oxo-1-phenyl-1,6-dihydropyrimidine-4-carboxylic acid
    —— 5-ethyl-5-(3-chloro-phenyl)-dihydro-pyrimidine-4,6-dione 105475-76-1 C12H13ClN2O2
    5-ethyl-5-(3-chloro-phenyl)-dihydro-pyrimidine-4,6-dione
    —— (5Z,7E,22E) - (1S,3R,24R)-1,3,24-Trihydroxy-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-25-carboxylic acid diethyl amide 163207-30-5 C32H49NO4
    (5Z,7E,22E) - (1S,3R,24R)-1,3,24-Trihydroxy-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-25-carboxylic acid diethyl amide
    —— 5-naphthalen-1-yl-1-p-tolyl-1H-pyrazole-3-carboxylic acid methyl ester 1610952-52-7 C22H18N2O2
    5-naphthalen-1-yl-1-p-tolyl-1H-pyrazole-3-carboxylic acid methyl ester
    —— 5-[1-(2-chloro-benzenesulfonyl)-1H-indol-5-yl]-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamine 1080828-00-7 C25H22ClN5O2S
    5-[1-(2-chloro-benzenesulfonyl)-1H-indol-5-yl]-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamine
    —— 5-(1,3-dioxan-2-yl)-2-methylpent-1-en-3-ol 122124-26-9 C10H18O3
    5-(1,3-dioxan-2-yl)-2-methylpent-1-en-3-ol
    —— 5-<(2-trifluoromethyl)phenyl)>-2(3H)-furanone 142335-96-4 C11H7F3O2
    5-<(2-trifluoromethyl)phenyl)>-2(3H)-furanone
    —— 5-Fluoro-6-(trifluoromethyl)pyridine-3-carboxylic acid 1554123-46-4 C7H3F4NO2
    5-Fluoro-6-(trifluoromethyl)pyridine-3-carboxylic acid
    —— [5-Chloro-[1,3]dithiolo[4,5-b]quinoxalin-(2Z)-ylidene]-trifluoromethyl-amine 55294-98-9 C10H3ClF3N3S2
    [5-Chloro-[1,3]dithiolo[4,5-b]quinoxalin-(2Z)-ylidene]-trifluoromethyl-amine
    —— 5,5,13,13-tetraethoxy-1,9-diazaoctacyclo[7.7.0.03,6.03,7.04,7.011,14.011,15.012,15]hexadecane 109000-15-9 C22H32N2O4
    5,5,13,13-tetraethoxy-1,9-diazaoctacyclo[7.7.0.03,6.03,7.04,7.011,14.011,15.012,15]hexadecane
    —— (5S,6S,7S)-tert-butyl 7-(hydroxymethyl)-8-oxo-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate 1101862-54-7 C26H30O9
    (5S,6S,7S)-tert-butyl 7-(hydroxymethyl)-8-oxo-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate
    —— 5,5,6,6,21,21,22,22-octaphenyl-5,6,21,22-tetragerma[10.10]paracyclophane 607392-55-2 C76H80Ge4
    5,5,6,6,21,21,22,22-octaphenyl-5,6,21,22-tetragerma[10.10]paracyclophane
    —— 5-(tert-Butyl-dimethyl-silanyloxy)-1-furan-2-yl-6-methyl-2-trityloxymethyl-hept-6-en-1-ol 173213-63-3 C38H48O4Si
    5-(tert-Butyl-dimethyl-silanyloxy)-1-furan-2-yl-6-methyl-2-trityloxymethyl-hept-6-en-1-ol
    —— 5-fluoro-8,9-diphenyl-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one 1207453-80-2 C22H16FN3O
    5-fluoro-8,9-diphenyl-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one
    —— 5-(1'-Brom-1'-methyl-ethyl)-3-tert.butyl-oxazolidin-2-on 107262-17-9 C10H18BrNO2
    5-(1'-Brom-1'-methyl-ethyl)-3-tert.butyl-oxazolidin-2-on
    —— 5-(7-chloro-4-fluoro-1-benzothien-2-yl)-8-methyl-1,9-dihydro-2H-[1,3]oxazolo[4,5-h][2,3]benzodiazepin-2-one 1398497-11-4 C19H11ClFN3O2S
    5-(7-chloro-4-fluoro-1-benzothien-2-yl)-8-methyl-1,9-dihydro-2H-[1,3]oxazolo[4,5-h][2,3]benzodiazepin-2-one
    —— 5-cyclohexyl-3-(3,3,5,5-tetramethyl-cyclohexyl)-1,2-dihydro-3H-1,3,4-benzotriazepin-2-one 916506-20-2 C24H35N3O
    5-cyclohexyl-3-(3,3,5,5-tetramethyl-cyclohexyl)-1,2-dihydro-3H-1,3,4-benzotriazepin-2-one
    —— 5-((2-methoxyphenyl)amino)pentan-2-one 1456727-98-2 C12H17NO2
    5-((2-methoxyphenyl)amino)pentan-2-one
    —— 5-(1-methyl-1H-pyrazol-4-yl)-3-(quinolin-6-ylmethyl)-3H-[1,2,3]triazolo-[4,5-b]pyridin-7-ol 1313725-68-6 C19H15N7O
    5-(1-methyl-1H-pyrazol-4-yl)-3-(quinolin-6-ylmethyl)-3H-[1,2,3]triazolo-[4,5-b]pyridin-7-ol
    —— 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis(4-acetothioxybutoxy)-2,8,14,20-tetrathiacalix[4]arene, 1,3-alternate 1228882-44-7 C64H88O8S8
    5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis(4-acetothioxybutoxy)-2,8,14,20-tetrathiacalix[4]arene, 1,3-alternate
    —— 5-amino-8-(2-furyl)-1-methyl-3-[2-[4-(3-methyl-2-oxo-butyl)piperazin-1-yl]ethyl]-[1,2,4]triazolo[5,1-f]purin-2-one 1367365-34-1 C22H29N9O3
    5-amino-8-(2-furyl)-1-methyl-3-[2-[4-(3-methyl-2-oxo-butyl)piperazin-1-yl]ethyl]-[1,2,4]triazolo[5,1-f]purin-2-one
    —— 5-benzyl-6-phenoxy-2,3-diphenylpyrimidin-4-one 85037-39-4 C29H22N2O2
    5-benzyl-6-phenoxy-2,3-diphenylpyrimidin-4-one
    —— 5-methoxy-6,7,8,9-tetrahydroimidazo<1,2-a>quinazoline-2-carboxamide oxime 133603-10-8 C12H15N5O2
    5-methoxy-6,7,8,9-tetrahydroimidazo<1,2-a>quinazoline-2-carboxamide oxime
    —— 5-(2-benzylcarbamoyl-ethyl)-thiophene-2-carboxylic acid hydroxyamide 850075-09-1 C15H16N2O3S
    5-(2-benzylcarbamoyl-ethyl)-thiophene-2-carboxylic acid hydroxyamide
    —— 5-butyl-4-chloro-6-phenylpyrimidin-2-amine 1395343-15-3 C14H16ClN3
    5-butyl-4-chloro-6-phenylpyrimidin-2-amine
    —— (5-ethyl-thiazolo[3,2-<i>b</i>][1,2,4]thiadiazol-2-ylidene)-carbamic acid ethyl ester 51074-25-0 C9H11N3O2S2
    (5-ethyl-thiazolo[3,2-<i>b</i>][1,2,4]thiadiazol-2-ylidene)-carbamic acid ethyl ester
    —— 5-methoxy-3-methyl-2-tetralone oxime 108269-04-1 C12H15NO2
    5-methoxy-3-methyl-2-tetralone oxime
    —— 5-Acetyl-3-(2,6-dichloro-phenyl)-isoxazole-4-carboxylic acid ethyl ester 129144-37-2 C14H11Cl2NO4
    5-Acetyl-3-(2,6-dichloro-phenyl)-isoxazole-4-carboxylic acid ethyl ester
    —— 5-{N-[4-(piperazin-1-yl)phenyl]-N-methylaminocarbonyl}-3-(3-methylbenzyl)-6-hydroxy-1H-indazole 1001193-63-0 C27H29N5O2
    5-{N-[4-(piperazin-1-yl)phenyl]-N-methylaminocarbonyl}-3-(3-methylbenzyl)-6-hydroxy-1H-indazole
    —— 5-chloro-8-methoxy-1<i>H</i>-benzo[<i>d</i>][1,3]oxazine-2,4-dione 57385-15-6 C9H6ClNO4
    5-chloro-8-methoxy-1<i>H</i>-benzo[<i>d</i>][1,3]oxazine-2,4-dione
    —— 5-hydroxy-5-endo-p-anisyl-2,3-tetrafluorobenzobicyclo<2.2.2>-2-octene 83425-58-5 C19H16F4O2
    5-hydroxy-5-endo-p-anisyl-2,3-tetrafluorobenzobicyclo<2.2.2>-2-octene
    —— 5-(4-((4,4-difluoropiperidin-1-yl)methyl)phenyl)-3-(1H-indol-5-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine 1361323-63-8 C34H30F2N4O2S
    5-(4-((4,4-difluoropiperidin-1-yl)methyl)phenyl)-3-(1H-indol-5-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine
    —— 5-Methyl-6-oxo-heptadiencarbonsaeure 58661-02-2 C8H10O3
    5-Methyl-6-oxo-heptadiencarbonsaeure
    —— 5-phenoxymethyl-3-phenylthiooxolan-2-one 84124-96-9 C17H16O3S
    5-phenoxymethyl-3-phenylthiooxolan-2-one
    —— 5-(3-oxo-1-(thiophen-2-yl)butyl)furan-2(5H)-one 1241389-09-2 C12H12O3S
    5-(3-oxo-1-(thiophen-2-yl)butyl)furan-2(5H)-one
    —— 5,6-dimethyl-3,3,7-trichloro-5-hepten-2-one 105379-90-6 C9H13Cl3O
    5,6-dimethyl-3,3,7-trichloro-5-hepten-2-one
    —— 5-Hydroxy-1-methyl-3-benzyl-benzol 857974-78-8 C14H14O
    5-Hydroxy-1-methyl-3-benzyl-benzol
    —— (5-Decyl-1H-benzoimidazol-2-yl)-methanethiol; hydrochloride 126225-94-3 C18H28N2S*ClH
    (5-Decyl-1H-benzoimidazol-2-yl)-methanethiol; hydrochloride
    —— (5-Acetyl-2-furan-2-yl-6-methyl-pyrimidin-4-ylsulfanyl)-acetic acid hydrazide 120996-95-4 C13H14N4O3S
    (5-Acetyl-2-furan-2-yl-6-methyl-pyrimidin-4-ylsulfanyl)-acetic acid hydrazide
    —— 5-methyl-6-(4-pyrrolidin-1-yl-piperidine-1-carbonyl)-3-(3-trifluoromethyl-phenyl)-pyridine-2-carboxylic acid methylamide 1202250-65-4 C25H29F3N4O2
    5-methyl-6-(4-pyrrolidin-1-yl-piperidine-1-carbonyl)-3-(3-trifluoromethyl-phenyl)-pyridine-2-carboxylic acid methylamide
    —— 5-(((3S)-4-(4-(S)-(S-cyclopropylsulfonimidoyl)phenyl)-3-(1-propyn-1-yl)-1-piperazinyl)sulfonyl)-2-pyridinamine 1572927-60-6 C21H25N5O3S2
    5-(((3S)-4-(4-(S)-(S-cyclopropylsulfonimidoyl)phenyl)-3-(1-propyn-1-yl)-1-piperazinyl)sulfonyl)-2-pyridinamine
    —— 5-(4-fluorophenyl)-10-(chloromethyl)-8,8-dimethyl-5,8,9,10-tetrahydrobenzo[b][1,8]naphthyridin-6(7H)-one 1197982-07-2 C21H20ClFN2O
    5-(4-fluorophenyl)-10-(chloromethyl)-8,8-dimethyl-5,8,9,10-tetrahydrobenzo[b][1,8]naphthyridin-6(7H)-one
    —— 5-ethyl-1-(N,N-diacetylamino)-5,6,8,9,10,10a-hexahydro-3-(4-methoxyphenyl)-6-thioxopyrido[3,2-e]pyrrolo[1,2-c]pyrimidine-2-carbonitrile 1132771-48-2 C24H25N5O3S
    5-ethyl-1-(N,N-diacetylamino)-5,6,8,9,10,10a-hexahydro-3-(4-methoxyphenyl)-6-thioxopyrido[3,2-e]pyrrolo[1,2-c]pyrimidine-2-carbonitrile