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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6,7,14,15,16-hexahydro-1,3,6,10,12,16-hexamethyldipyrrolo<3,4-f><3',4'-n><1,4,9,12>tetra-azacyclohexadecine 128365-54-8 C22H30N6
    5,6,7,14,15,16-hexahydro-1,3,6,10,12,16-hexamethyldipyrrolo<3,4-f><3',4'-n><1,4,9,12>tetra-azacyclohexadecine
    —— 5-chloro-3,4-dihydro-1-methyl-4-phenacyl-2(1H)-pyrimidinone 98235-92-8 C13H13ClN2O2
    5-chloro-3,4-dihydro-1-methyl-4-phenacyl-2(1H)-pyrimidinone
    —— 5β-Δ<sup>14</sup>-Pregnen-21-ol-3,20-dion-21-acetat 21358-75-8 C23H32O4
    5β-Δ<sup>14</sup>-Pregnen-21-ol-3,20-dion-21-acetat
    —— 5-Dibromomethyl-4-methoxy-thieno[2,3-d]pyrimidine 108099-52-1 C8H6Br2N2OS
    5-Dibromomethyl-4-methoxy-thieno[2,3-d]pyrimidine
    —— (5E,9E,13E,17E)-5,9,14,18,22-pentamethyltricosa-5,9,13,17,21-pentaen-2-one 138181-63-2 C28H46O
    (5E,9E,13E,17E)-5,9,14,18,22-pentamethyltricosa-5,9,13,17,21-pentaen-2-one
    —— 5α-androst-14-en-16-one 116202-06-3 C19H28O
    5α-androst-14-en-16-one
    —— 5,5-diisobutyl-oxazolidine-2,4-dione 130689-80-4 C11H19NO3
    5,5-diisobutyl-oxazolidine-2,4-dione
    —— (5Z)-5-[(4,5-difluoro-2-hydroxyphenyl)methylidene]-2-(pyrrolidin-1-yl)-4,5-dihydro-1,3-thiazol-4-one 1181082-61-0 C14H12F2N2O2S
    (5Z)-5-[(4,5-difluoro-2-hydroxyphenyl)methylidene]-2-(pyrrolidin-1-yl)-4,5-dihydro-1,3-thiazol-4-one
    —— 5-O-(tert-Butyldimethylsilyl)-13-deoxy-22,23-dihydro-13α-chloroavermectin B1a Aglycon 104420-32-8 C40H63ClO7Si
    5-O-(tert-Butyldimethylsilyl)-13-deoxy-22,23-dihydro-13α-chloroavermectin B1a Aglycon
    —— 5-[2-(N-methyl-N-methylsulfonylamino)ethylthio]imidazo[1,2-a]pyridine.hydrochloride 141481-62-1 C11H15N3O2S2*ClH
    5-[2-(N-methyl-N-methylsulfonylamino)ethylthio]imidazo[1,2-a]pyridine.hydrochloride
    —— 5,11-Methenyltetrahydrohomofolate monoformate salt 77921-44-9 C22H27N7O8
    5,11-Methenyltetrahydrohomofolate monoformate salt
    —— (5S)-5-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-6-(N-pyridino[3,4-d]pyridin-3-ylcarbamoyloxy)hexanoic acid 1119536-35-4 C24H25ClFN5O5
    (5S)-5-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-6-(N-pyridino[3,4-d]pyridin-3-ylcarbamoyloxy)hexanoic acid
    —— 5-[5-(3,5-bis-trifluoromethyl-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-3-methyl-thiophene-2-carboxylic acid [(2,2,2-trifluoro-ethylcarbamoyl)methyl]amide 1231755-01-3 C22H15F12N3O3S
    5-[5-(3,5-bis-trifluoromethyl-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-3-methyl-thiophene-2-carboxylic acid [(2,2,2-trifluoro-ethylcarbamoyl)methyl]amide
    —— 5-Nitro-2-(pyrrolidin-1-yl)-benzolsulfonyl-(o-chloranilid) 55259-14-8 C16H16ClN3O4S
    5-Nitro-2-(pyrrolidin-1-yl)-benzolsulfonyl-(o-chloranilid)
    —— 5,6,7,8-tetrachloro-1-(2,4-dibromo-phenyl)-3-phenyl-1<i>H</i>-benzo[1,3,4]oxadiazine 52501-64-1 C19H8Br2Cl4N2O
    5,6,7,8-tetrachloro-1-(2,4-dibromo-phenyl)-3-phenyl-1<i>H</i>-benzo[1,3,4]oxadiazine
    —— 5-p-Tolyl-isothiazol-dicarbonsaeure-(3,4)-dimethylester 32539-75-6 C14H13NO4S
    5-p-Tolyl-isothiazol-dicarbonsaeure-(3,4)-dimethylester
    —— 5-<N-Acetyl-anilino>-furfural 28740-50-3 C13H11NO3
    5-<N-Acetyl-anilino>-furfural
    —— 5-(2-hydroxy-4-methoxyphenyl)-4-(4-(morpholinomethyl)phenyl)-4H-1,2,4-triazole-3-carboxamide 1207597-17-8 C21H23N5O4
    5-(2-hydroxy-4-methoxyphenyl)-4-(4-(morpholinomethyl)phenyl)-4H-1,2,4-triazole-3-carboxamide
    —— 5-(1H-imidazol-5-yl)-12-methyl-3-(2-methylphenyl)-3,4,10,11-tetrazatricyclo[8.3.0.02,6]trideca-1(13),2(6),4,11-tetraene 1221884-60-1 C20H20N6
    5-(1H-imidazol-5-yl)-12-methyl-3-(2-methylphenyl)-3,4,10,11-tetrazatricyclo[8.3.0.02,6]trideca-1(13),2(6),4,11-tetraene
    —— 5-(5-chloro-2,4-dihydroxyphenyl)-N-(8-(hydroxyamino)-8-oxooctyl)-4-(4-methoxyphenyl)isoxazole-3-carboxamide 1012056-29-9 C25H28ClN3O7
    5-(5-chloro-2,4-dihydroxyphenyl)-N-(8-(hydroxyamino)-8-oxooctyl)-4-(4-methoxyphenyl)isoxazole-3-carboxamide
    —— 5-{4-[(S)-2-(2,3-dihydro-1H-indol-3-yl)-ethyl]-piperazin-1-yl}-1H-pyrrolo[2,3-c]pyridine 926029-43-8 C21H25N5
    5-{4-[(S)-2-(2,3-dihydro-1H-indol-3-yl)-ethyl]-piperazin-1-yl}-1H-pyrrolo[2,3-c]pyridine
    —— 5-t-butylcarbamoyloxy-3-(4-methyl)phenyl-4-thiazolidinone 159175-85-6 C15H20N2O3S
    5-t-butylcarbamoyloxy-3-(4-methyl)phenyl-4-thiazolidinone
    —— 5,6-dihydrospinosyn A 187170-37-2 C41H67NO10
    5,6-dihydrospinosyn A
    —— 5-(3,3-dimethyl-but-1-ynyl)-3-(5-(4-methyl-cyclohexyl)-1-pyridin-2-ylmethyl-1,2,3,6-tetrahydro-pyridin-4-yl)-thiophene-2-carboxylic acid 1383384-34-6 C29H36N2O2S
    5-(3,3-dimethyl-but-1-ynyl)-3-(5-(4-methyl-cyclohexyl)-1-pyridin-2-ylmethyl-1,2,3,6-tetrahydro-pyridin-4-yl)-thiophene-2-carboxylic acid
    —— 5,5'-bis-(3,6-dibromo-2-hydroxy-benzylidene)-3,3'-p-phenylenedimethyl-bis-thiazolidine-2,4-dione 63943-78-2 C28H16Br4N2O6S2
    5,5'-bis-(3,6-dibromo-2-hydroxy-benzylidene)-3,3'-p-phenylenedimethyl-bis-thiazolidine-2,4-dione
    —— 5-(2-Bromo-phenyl)-4-tert-butyl-3,3-dimethyl-2,3-dihydro-furan 866129-65-9 C16H21BrO
    5-(2-Bromo-phenyl)-4-tert-butyl-3,3-dimethyl-2,3-dihydro-furan
    —— 5,6,7,8,9,10-hexahydro-4H-cyclonona[d]selenadiazol-8-ol 1192431-44-9 C9H14N2OSe
    5,6,7,8,9,10-hexahydro-4H-cyclonona[d]selenadiazol-8-ol
    —— 5-iodo-7-methoxy-3,4-bis(4-methoxyphenyl)-1-[2-(4-methoxyphenyl)ethyl]-6H-pyrrolo[3,2-c]carbazole 1187591-06-5 C38H33IN2O4
    5-iodo-7-methoxy-3,4-bis(4-methoxyphenyl)-1-[2-(4-methoxyphenyl)ethyl]-6H-pyrrolo[3,2-c]carbazole
    —— 5-[5-Amino-6-[3-[4-(1-amino-2-fluoroethyl)phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-propan-2-ylpyridin-2-one 1349732-16-6 C23H23FN6O2
    5-[5-Amino-6-[3-[4-(1-amino-2-fluoroethyl)phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-propan-2-ylpyridin-2-one
    —— 5-[6-cyclopropyl-4-methyl-8-(trifluoromethyl)quinolin-2-yl]-N-(3-piperidin-1-ylpropyl)-1,3,4-oxadiazol-2-amine 1352338-77-2 C24H28F3N5O
    5-[6-cyclopropyl-4-methyl-8-(trifluoromethyl)quinolin-2-yl]-N-(3-piperidin-1-ylpropyl)-1,3,4-oxadiazol-2-amine
    —— (5S)-2,3-dibenzyloxy-5,6-dihydroxy-5,6-O-isopropylidene-4-oxohex-2-enoyl chloride 143207-02-7 C23H23ClO6
    (5S)-2,3-dibenzyloxy-5,6-dihydroxy-5,6-O-isopropylidene-4-oxohex-2-enoyl chloride
    —— 5-{3-[1-(4-bromo-phenyl)-cyclobutyl]-1,2,4-oxadiazol-5-yl}-pyridine-2-carboxylic acid 1361189-62-9 C18H14BrN3O3
    5-{3-[1-(4-bromo-phenyl)-cyclobutyl]-1,2,4-oxadiazol-5-yl}-pyridine-2-carboxylic acid
    —— 5'-[3-(4-chloro-benzyl)-5-heptyl-1H-pyrrol-2-ylmethylene]-4'-methoxy-1H,5'H-[2,2']bipyrrolyl 1314252-71-5 C28H32ClN3O
    5'-[3-(4-chloro-benzyl)-5-heptyl-1H-pyrrol-2-ylmethylene]-4'-methoxy-1H,5'H-[2,2']bipyrrolyl
    —— 5-Methyl-3-vinyloxy-hexa-1,4-diene 123827-73-6 C9H14O
    5-Methyl-3-vinyloxy-hexa-1,4-diene
    —— 5-(tert-Butyl-dimethyl-silanyloxymethyl)-furan-2-carboxylic acid tert-butylamide 121389-56-8 C16H29NO3Si
    5-(tert-Butyl-dimethyl-silanyloxymethyl)-furan-2-carboxylic acid tert-butylamide
    —— 5-amino-4-[3-(tert-butoxycarbonylamino)-propionylamino]-1-ethylpyrazole 689293-87-6 C13H23N5O3
    5-amino-4-[3-(tert-butoxycarbonylamino)-propionylamino]-1-ethylpyrazole
    —— 5-(phenylmethyl-d2)-3,4-dihydro-2H-pyrrole 141807-68-3 C11H13N
    5-(phenylmethyl-d2)-3,4-dihydro-2H-pyrrole
    —— 5-bromo-4-chloro-2-ethoxy-benzoic acid ethyl ester 910572-87-1 C11H12BrClO3
    5-bromo-4-chloro-2-ethoxy-benzoic acid ethyl ester
    —— 5-(1,4-dioxa-spiro[4.5]dec-7-en-8-yl)-3-[(trans-4-hydroxy-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid 914778-94-2 C27H37NO6S
    5-(1,4-dioxa-spiro[4.5]dec-7-en-8-yl)-3-[(trans-4-hydroxy-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid
    —— 5-(4-butoxy-benzyl)-4,6-dichloro-pyrimidin-2-ylamine 34945-94-3 C15H17Cl2N3O
    5-(4-butoxy-benzyl)-4,6-dichloro-pyrimidin-2-ylamine
    —— 5-allyl-5-(4-propoxy-benzyl)-pyrimidine-2,4,6-trione 34928-47-7 C17H20N2O4
    5-allyl-5-(4-propoxy-benzyl)-pyrimidine-2,4,6-trione
    —— 5-Amino-2-tert-butyl-4-[(Z)-4-tert-butyl-2,5-dimethoxy-phenylimino]-cyclohexa-2,5-dienone 35321-97-2 C22H30N2O3
    5-Amino-2-tert-butyl-4-[(Z)-4-tert-butyl-2,5-dimethoxy-phenylimino]-cyclohexa-2,5-dienone
    —— 5-(4-nitro-phenyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid 35487-43-5 C11H7N3O6
    5-(4-nitro-phenyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid
    —— 5,5-Dimethyl-2-(2-nitro-1-phenylvinyl)-1,3-cyclohexandion 17336-42-4 C16H17NO4
    5,5-Dimethyl-2-(2-nitro-1-phenylvinyl)-1,3-cyclohexandion
    —— 5-benzofuran-2-yl-7-chloro-3-hydroxy-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 19316-54-2 C17H11ClN2O3
    5-benzofuran-2-yl-7-chloro-3-hydroxy-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 5-fluoro-1H-pyrimidine-2,4-dione;4-hydroxybenzoic acid 1644143-05-4 C4H3FN2O2*C7H6O3
    5-fluoro-1H-pyrimidine-2,4-dione;4-hydroxybenzoic acid
    —— 5-(2-chloro-6-fluorobenzyl)-3-[(2-methoxy-4-{4-[2-(morpholin-4-yl)ethyl]piperazin-1-yl}phenyl)amino]pyridine-2-carboxamide 1389440-52-1 C30H36ClFN6O3
    5-(2-chloro-6-fluorobenzyl)-3-[(2-methoxy-4-{4-[2-(morpholin-4-yl)ethyl]piperazin-1-yl}phenyl)amino]pyridine-2-carboxamide
    —— 5,10,15-triphenyl-20-(4-iodophenyl)porphyrin 133513-05-0 C44H29IN4
    5,10,15-triphenyl-20-(4-iodophenyl)porphyrin
    —— 5-chloro-6-phenoxy-pyridin-3-yl-methanol 1251287-13-4 C12H10ClNO2
    5-chloro-6-phenoxy-pyridin-3-yl-methanol
    —— 5R-Phosphonomethyl-8-t-butyloxycarbonyl-5,6-7,8-tetrahydro-imidazo[1,2-a]pyrimidine-2-carboxamide 156611-55-1 C13H21N4O6P
    5R-Phosphonomethyl-8-t-butyloxycarbonyl-5,6-7,8-tetrahydro-imidazo[1,2-a]pyrimidine-2-carboxamide