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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(1-methyl-1H-2-imidazolyl)-1,3,4-thiadiazol-2-amine 25306-10-9 C6H7N5S
    5-(1-methyl-1H-2-imidazolyl)-1,3,4-thiadiazol-2-amine
    —— 5-dimethylaminomethylidene-3-phenyl-2-thioxo-1,3-thiazolidin-4-one 1006727-64-5 C12H12N2OS2
    5-dimethylaminomethylidene-3-phenyl-2-thioxo-1,3-thiazolidin-4-one
    —— 5-tert.-Butylthio-1,3,4-thiadiazolyl-2-amin 33313-09-6 C6H11N3S2
    5-tert.-Butylthio-1,3,4-thiadiazolyl-2-amin
    —— 5-acetyl-3-bromo-6-<2-(dimethylamino)ethenyl>pyridin-2(1H)-one 147293-24-1 C11H13BrN2O2
    5-acetyl-3-bromo-6-<2-(dimethylamino)ethenyl>pyridin-2(1H)-one
    —— 5,6,7,8-tetrahydro-5-(4-nitrobenzoyl)-9H-pyrido[3,2-b]azepin-9-one 180339-88-2 C16H13N3O4
    5,6,7,8-tetrahydro-5-(4-nitrobenzoyl)-9H-pyrido[3,2-b]azepin-9-one
    —— (5-bromo-3-(pyrimidin-4-yl)-1H-indol-2-yl)(morpholino)methanone 1202766-55-9 C17H15BrN4O2
    (5-bromo-3-(pyrimidin-4-yl)-1H-indol-2-yl)(morpholino)methanone
    —— 5-bromo-N-cyclopropyl-3-(pyrimidin-4-yl)-1H-indole-2-carboxamide 1202766-61-7 C16H13BrN4O
    5-bromo-N-cyclopropyl-3-(pyrimidin-4-yl)-1H-indole-2-carboxamide
    —— 5,6-bis(4-chlorophenyl)-3-(4-methyl-4,5-dihydrooxazol-2-yl)-pyrazine-2-carboxylic acid tert-butyl ester 811436-91-6 C25H23Cl2N3O3
    5,6-bis(4-chlorophenyl)-3-(4-methyl-4,5-dihydrooxazol-2-yl)-pyrazine-2-carboxylic acid tert-butyl ester
    —— 5,6-bis(4-chlorophenyl)-3-(piperidin-1-ylcarbonyl)pyrazine-2-carboxylic acid 810685-51-9 C23H19Cl2N3O3
    5,6-bis(4-chlorophenyl)-3-(piperidin-1-ylcarbonyl)pyrazine-2-carboxylic acid
    —— 5-trifluoromethyl-1-methyl-2-phenyl-1H-imidazole 63875-08-1 C11H9F3N2
    5-trifluoromethyl-1-methyl-2-phenyl-1H-imidazole
    —— 5-(4-fluorophenoxy)-6-nitro-2,3-dihydro-1H-indene 75369-89-0 C15H12FNO3
    5-(4-fluorophenoxy)-6-nitro-2,3-dihydro-1H-indene
    —— 5-hydroxymethyl-1-methylpyrrol-2-carbaldehyde 29813-44-3 C7H9NO2
    5-hydroxymethyl-1-methylpyrrol-2-carbaldehyde
    —— 5,6-bis(4-chlorophenyl)-N-piperidin-1-yl-3-(piperidin-1-ylcarbonyl)pyrazine-2-carboxamide 810685-52-0 C28H29Cl2N5O2
    5,6-bis(4-chlorophenyl)-N-piperidin-1-yl-3-(piperidin-1-ylcarbonyl)pyrazine-2-carboxamide
    —— 5-hydroxymethylene-1-methyl-1,3a,5,6,7,7-hexahydro-indazol-4-one 1057142-05-8 C9H12N2O2
    5-hydroxymethylene-1-methyl-1,3a,5,6,7,7-hexahydro-indazol-4-one
    —— [5-Hydroxy-2-(4-methoxyphenyl)-5-(trifluoromethyl)-1,3-oxazolidin-3-yl]-phenylmethanone 1026885-87-9 C18H16F3NO4
    [5-Hydroxy-2-(4-methoxyphenyl)-5-(trifluoromethyl)-1,3-oxazolidin-3-yl]-phenylmethanone
    —— 5-(3,3-Diethoxypropylsulfanyl)-1-phenyltetrazole 56350-90-4 C14H20N4O2S
    5-(3,3-Diethoxypropylsulfanyl)-1-phenyltetrazole
    —— 5-(dimethylaminomethylene)-5,6-dihydroindolo[3,2,1-de]-[1,5]naphthyridin-4-one 1224582-87-9 C17H15N3O
    5-(dimethylaminomethylene)-5,6-dihydroindolo[3,2,1-de]-[1,5]naphthyridin-4-one
    —— 5-(1',3'-dithian-2'-ylidene)-1,3-dithiolo[4,5-d]-1,3-dithiol-2-one 177798-64-0 C8H6OS6
    5-(1',3'-dithian-2'-ylidene)-1,3-dithiolo[4,5-d]-1,3-dithiol-2-one
    —— 5'-O-TBDPS-3'-C-(6-carboxyhex-2(Z)-enyl)-3'-deoxythymidine 287185-72-2 C33H42N2O6Si
    5'-O-TBDPS-3'-C-(6-carboxyhex-2(Z)-enyl)-3'-deoxythymidine
    —— 5-chloro-1-ethoxycarbonyl-2-oxo-2,3-dihydroindole 197776-07-1 C11H10ClNO3
    5-chloro-1-ethoxycarbonyl-2-oxo-2,3-dihydroindole
    —— 5-oxapentacyclo[5.4.0.02,6.03,11.04,10]undec-8-ene 55165-04-3 C10H10O
    5-oxapentacyclo[5.4.0.02,6.03,11.04,10]undec-8-ene
    —— 5-chloro-1-ethoxycarbonyl-2-(ethoxycarbonyloxy)indole 197775-85-2 C14H14ClNO5
    5-chloro-1-ethoxycarbonyl-2-(ethoxycarbonyloxy)indole
    —— 5-Nitro-6-phenoxyindan 75369-86-7 C15H13NO3
    5-Nitro-6-phenoxyindan
    —— 5(6H)-Quinolinone, 7,8-dihydro-6-phenyl- 56826-75-6 C15H13NO
    5(6H)-Quinolinone, 7,8-dihydro-6-phenyl-
    —— 5-Benzyloxymethyl-3-methylisoxazole-4-carboxylic acid 159770-34-0 C13H13NO4
    5-Benzyloxymethyl-3-methylisoxazole-4-carboxylic acid
    —— 5-(diphenylphosphanyl)-2-(1,3-diethyl-1,3,2-benzodiazaborol-2-yl)thiophene 1394159-04-6 C26H26BN2PS
    5-(diphenylphosphanyl)-2-(1,3-diethyl-1,3,2-benzodiazaborol-2-yl)thiophene
    —— 5-isopropyl-5<i>H</i>-benzo[<i>b</i>]phosphindole 34938-22-2 C15H15P
    5-isopropyl-5<i>H</i>-benzo[<i>b</i>]phosphindole
    —— (5-nitro-2-pyridyl) 2,3,4-tri-O-benzoyl-1-thio-β-D-glucopyranoside 324020-78-2 C32H26N2O10S
    (5-nitro-2-pyridyl) 2,3,4-tri-O-benzoyl-1-thio-β-D-glucopyranoside
    —— 5-methyl-2,4-dinitrobenzamide 27715-62-4 C8H7N3O5
    5-methyl-2,4-dinitrobenzamide
    —— {5-[1-(2,4-dichloro-benzyl)-5-fluoro-3-methyl-1H-indol-7-yl]-[1,3,4]oxadiazol-2-yl}-phosphoramidic acid bis-(2,4-dichloro-phenyl) ester 885225-32-1 C30H18Cl6FN4O4P
    {5-[1-(2,4-dichloro-benzyl)-5-fluoro-3-methyl-1H-indol-7-yl]-[1,3,4]oxadiazol-2-yl}-phosphoramidic acid bis-(2,4-dichloro-phenyl) ester
    —— (5,5-dimethyl-3,4-dihydropyrrol-1-ium-2-yl)methanesulfonate —— C7H13NO3S
    (5,5-dimethyl-3,4-dihydropyrrol-1-ium-2-yl)methanesulfonate
    —— (5,5-dimethyl-4,5-dihydro-3<i>H</i>-pyrrol-2-yl)-methanesulfonic acid 57625-16-8 C7H13NO3S
    (5,5-dimethyl-4,5-dihydro-3<i>H</i>-pyrrol-2-yl)-methanesulfonic acid
    —— 5-(4-methoxyphenyl)-2,3-diphenyl-1H-pyrrole 69141-52-2 C23H19NO
    5-(4-methoxyphenyl)-2,3-diphenyl-1H-pyrrole
    —— 5-acetyl-2-(methylthio)pyrimidin-4(3H)-one 66116-81-2 C7H8N2O2S
    5-acetyl-2-(methylthio)pyrimidin-4(3H)-one
    —— (5S)-5-(2,2-difluoropropyl)-2,2-bis(trifluoromethyl)-1,3-dioxolan-4-one 774603-49-5 C8H6F8O3
    (5S)-5-(2,2-difluoropropyl)-2,2-bis(trifluoromethyl)-1,3-dioxolan-4-one
    —— 5-benzyloxy-6-fluoroindole 145159-66-6 C15H12FNO
    5-benzyloxy-6-fluoroindole
    —— 5-phenyl-2,3-dihydrofurandione 68728-37-0 C10H8O3
    5-phenyl-2,3-dihydrofurandione
    —— (5-oxo-4-oxa-5-homoadamantane-2-yl)oxymethylchloride 1338917-14-8 C11H15ClO3
    (5-oxo-4-oxa-5-homoadamantane-2-yl)oxymethylchloride
    —— 5-hydroxy-benzo[<i>b</i>]thiophene-4-carbaldehyde 15048-87-0 C9H6O2S
    5-hydroxy-benzo[<i>b</i>]thiophene-4-carbaldehyde
    —— 5-(4-methoxyphenyl)-2,3-diphenylfuran 68630-11-5 C23H18O2
    5-(4-methoxyphenyl)-2,3-diphenylfuran
    —— 5-n-Butyl-2-(4-n-butoxyphenyl)-pyrimidin 57202-11-6 C18H24N2O
    5-n-Butyl-2-(4-n-butoxyphenyl)-pyrimidin
    —— 5-tert-butyldimethylsilyloxymethyl-3-ethynylthiophene 859809-11-3 C13H20OSSi
    5-tert-butyldimethylsilyloxymethyl-3-ethynylthiophene
    —— (5R)-benzyl-N-(3,5-dimethoxybenzyl)-2,4-dioxo-3-[(1R)-1-phenylethyl]-1,3-oxazolidine-5-carboxamide 1430104-31-6 C28H28N2O6
    (5R)-benzyl-N-(3,5-dimethoxybenzyl)-2,4-dioxo-3-[(1R)-1-phenylethyl]-1,3-oxazolidine-5-carboxamide
    —— 5-methyl-1H-1,2,4-triazole-3-carboxamide 31100-32-0 C4H6N4O
    5-methyl-1H-1,2,4-triazole-3-carboxamide
    —— 5,13-bis(4-methoxyphenyl)dinaphtho[2,3-b:2',3'-d]thiophene S,S-dioxide 1610619-51-6 C34H24O4S
    5,13-bis(4-methoxyphenyl)dinaphtho[2,3-b:2',3'-d]thiophene S,S-dioxide
    —— 5,10-dihydrophenazine-1,2,3,4-tetrone 23774-13-2 C12H6N2O4
    5,10-dihydrophenazine-1,2,3,4-tetrone
    —— 5H-1,4-Dithiepin 292-18-2 C5H6S2
    5H-1,4-Dithiepin
    —— 5-N-(6-[aminohexyl]aminohexyl)carbamoylmethyl-2'-deoxyuridine 5'-triphosphate 449141-27-9 C23H42N5O16P3
    5-N-(6-[aminohexyl]aminohexyl)carbamoylmethyl-2'-deoxyuridine 5'-triphosphate
    —— 5-methyl-5,7-dihydro-imidazo[4,5-<i>c</i>]pyridazine-6-thione 17645-13-5 C6H6N4S
    5-methyl-5,7-dihydro-imidazo[4,5-<i>c</i>]pyridazine-6-thione
    —— (5R,6R,8S,9S)-5,8-epoxymegastigmane-9-ol-3-one 9-O-β-glucopyranoside 1253195-02-6 C19H32O8
    (5R,6R,8S,9S)-5,8-epoxymegastigmane-9-ol-3-one 9-O-β-glucopyranoside