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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5-Diphenyl-cyclohex-2-enol 65445-91-2 C18H18O
    5,5-Diphenyl-cyclohex-2-enol
    —— 5,5-Dimethyl-1-methyl-3-methyliden-7-azabicyclo<4,1,0>heptan 57291-24-4 C10H17N
    5,5-Dimethyl-1-methyl-3-methyliden-7-azabicyclo<4,1,0>heptan
    —— 5a-Methyl-5,5a,6,7,8,8a-hexahydro-2H-cyclopenta[c]azepin-1-one 342411-16-9 C10H15NO
    5a-Methyl-5,5a,6,7,8,8a-hexahydro-2H-cyclopenta[c]azepin-1-one
    —— 5-Hydrazinopyrazol-3-ol 57712-13-7 C3H6N4O
    5-Hydrazinopyrazol-3-ol
    —— 5-(4'-methylphenyl)thio-4-nitroimidazole 113121-61-2 C10H9N3O2S
    5-(4'-methylphenyl)thio-4-nitroimidazole
    —— (5-methoxy-1H-pyrrolo[3,2-b]pyridin-2-yl)[4-(propan-2-yloxy)-2-(pyridin-3-yl)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl]methanone 1257051-57-2 C24H24N6O3
    (5-methoxy-1H-pyrrolo[3,2-b]pyridin-2-yl)[4-(propan-2-yloxy)-2-(pyridin-3-yl)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl]methanone
    —— 5-iodo-pyrimidine-2-carboxylic acid tert-butylamide 1403771-13-0 C9H12IN3O
    5-iodo-pyrimidine-2-carboxylic acid tert-butylamide
    —— 5-(2,6-diethylphenyl)-1-(4-isopropylphenyl)-4-methyl-1H-pyrrolo[2,3-c]pyridine 884322-61-6 C27H30N2
    5-(2,6-diethylphenyl)-1-(4-isopropylphenyl)-4-methyl-1H-pyrrolo[2,3-c]pyridine
    —— 5-fluoro-N2-[3-(oxazol-2-yl)phenyl]-N4-(3-oxo-2H,4H-benz[1,4]oxazin-7-yl)-2,4-pyrimidinediamine 841288-81-1 C21H15FN6O3
    5-fluoro-N2-[3-(oxazol-2-yl)phenyl]-N4-(3-oxo-2H,4H-benz[1,4]oxazin-7-yl)-2,4-pyrimidinediamine
    —— 5ξ-(4'-chloro-biphenyl-4-yl)-1,5ξ-dimethyl-(3a<i>r</i>,7a<i>c</i>)-dihydro-pyrano[3,2-<i>d</i>]oxazole-2,6-dione 36067-52-4 C20H18ClNO4
    5ξ-(4'-chloro-biphenyl-4-yl)-1,5ξ-dimethyl-(3a<i>r</i>,7a<i>c</i>)-dihydro-pyrano[3,2-<i>d</i>]oxazole-2,6-dione
    —— 5-(2-hydroxy-phenyl)-1(2)<i>H</i>-pyrazole-3-carboxylic acid carbamimidoylamide 36817-91-1 C11H11N5O2
    5-(2-hydroxy-phenyl)-1(2)<i>H</i>-pyrazole-3-carboxylic acid carbamimidoylamide
    —— 5-(4-chloro-phenyl)-1,4,6-trimethyl-3-phenyl-1<i>H</i>-pyridin-2-one 65636-20-6 C20H18ClNO
    5-(4-chloro-phenyl)-1,4,6-trimethyl-3-phenyl-1<i>H</i>-pyridin-2-one
    —— 5-(3,4-Dimethoxy-benzyl)-2-methyl-4-oxo-4,5-dihydro-furan-3-carboxylic acid ethyl ester 67286-82-2 C17H20O6
    5-(3,4-Dimethoxy-benzyl)-2-methyl-4-oxo-4,5-dihydro-furan-3-carboxylic acid ethyl ester
    —— 5-deuteriomethoxy-2',10'-dimethoxy-3',4,9'-tri-t-butylspiro(cyclohexa-3,5-diene-1,6'-dibenzo<d,f><1,3>dioxepin)-2-one 85013-38-3 C33H42O6
    5-deuteriomethoxy-2',10'-dimethoxy-3',4,9'-tri-t-butylspiro(cyclohexa-3,5-diene-1,6'-dibenzo<d,f><1,3>dioxepin)-2-one
    —— 5',7'-dimethylspiro[1,2-dihydroindene-3,2'-3,4-dihydronaphthalene]-1'-one 78462-45-0 C20H20O
    5',7'-dimethylspiro[1,2-dihydroindene-3,2'-3,4-dihydronaphthalene]-1'-one
    —— 5-Ethoxy-1-((E)-6-phenyl-hex-3-enyl)-pyrrolidin-2-one 64025-61-2 C18H25NO2
    5-Ethoxy-1-((E)-6-phenyl-hex-3-enyl)-pyrrolidin-2-one
    —— 5-(4-methoxy-phenyl)-7-methyl-4-styryl-2-thioxo-1,2,5,6-tetrahydro-quinazoline-6-carboxylic acid ethyl ester 65693-06-3 C27H26N2O3S
    5-(4-methoxy-phenyl)-7-methyl-4-styryl-2-thioxo-1,2,5,6-tetrahydro-quinazoline-6-carboxylic acid ethyl ester
    —— (+)-5,9α-dimethyl-6,7-benzomorphan 161594-86-1 C14H19N
    (+)-5,9α-dimethyl-6,7-benzomorphan
    —— 5-cyano-N-[4-(5-{[(1S)-1-cyclohexyl-2-(methylamino)-2-oxoethyl]carbamoyl}furan-2-yl)phenyl]imidazo[1,2-a]pyridine-2-carboxamide 1227190-64-8 C29H28N6O4
    5-cyano-N-[4-(5-{[(1S)-1-cyclohexyl-2-(methylamino)-2-oxoethyl]carbamoyl}furan-2-yl)phenyl]imidazo[1,2-a]pyridine-2-carboxamide
    —— 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-[1-(phenylcarbonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-one 1227152-41-1 C25H29N3O4
    5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-[1-(phenylcarbonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-one
    —— 5-[(2-aminopyrimidin-5-yl)ethynyl]-N-(5-tert-butylisoxazol-3-yl)thiophene-2-carboxamide 911433-63-1 C18H17N5O2S
    5-[(2-aminopyrimidin-5-yl)ethynyl]-N-(5-tert-butylisoxazol-3-yl)thiophene-2-carboxamide
    —— 5-oxa-1(4),9(4)-di-t-butyl-2,8-dithia-(1,9)(3,5)-(1,2,4-triazola)cyclotridecaphan 1310411-77-8 C20H34N6OS2
    5-oxa-1(4),9(4)-di-t-butyl-2,8-dithia-(1,9)(3,5)-(1,2,4-triazola)cyclotridecaphan
    —— [(5R)-undec-3-yn-5-yl] methanesulfonate 133910-82-4 C12H22O3S
    [(5R)-undec-3-yn-5-yl] methanesulfonate
    —— 5-(3-((2,2-difluorocyclopropyl)methoxy)phenyl)-5-(pyridin-4-yl)-5H-pyrrolo[3,4-b]pyridin-7-amine 1227184-25-9 C22H18F2N4O
    5-(3-((2,2-difluorocyclopropyl)methoxy)phenyl)-5-(pyridin-4-yl)-5H-pyrrolo[3,4-b]pyridin-7-amine
    —— (5-tert-Butyl-2-furan)propionsaeureaethylester 65283-57-0 C13H20O3
    (5-tert-Butyl-2-furan)propionsaeureaethylester
    —— 5α-Hydroxy-6β-chlor-17-brom-androsta-2,16-dien 62684-17-7 C19H26BrClO
    5α-Hydroxy-6β-chlor-17-brom-androsta-2,16-dien
    —— 5-(N-Methyl-anilino)-7-phenyl-hepten-(5)-on-(7) 20964-93-6 C20H23NO
    5-(N-Methyl-anilino)-7-phenyl-hepten-(5)-on-(7)
    —— 5-bromo-1-phenyl-3-(p-tolyl)naphthalene 1177254-11-3 C23H17Br
    5-bromo-1-phenyl-3-(p-tolyl)naphthalene
    —— 5,11-dihydro-5-phenyl-11-(2,4,6-triisopropylphenyl)benzoborolo[3,2-b]carbazole 1521093-15-1 C39H38BN
    5,11-dihydro-5-phenyl-11-(2,4,6-triisopropylphenyl)benzoborolo[3,2-b]carbazole
    —— 5,6-Dihydro-N,N-dimethyl-4H-pyrrolo(3,2,1-ij)quinolin-5-amine 132915-25-4 C13H16N2
    5,6-Dihydro-N,N-dimethyl-4H-pyrrolo(3,2,1-ij)quinolin-5-amine
    —— 5,12-diacetyl-3,8-dichloro-5,12-dihydro-quinoxalino[2,3-<i>b</i>]quinoxaline 65182-33-4 C18H12Cl2N4O2
    5,12-diacetyl-3,8-dichloro-5,12-dihydro-quinoxalino[2,3-<i>b</i>]quinoxaline
    —— 5<i>H</i>,5'<i>H</i>-[5,5']bi[cyclopenta[2,1-<i>b</i>;4,3-<i>c</i>']dipyridinyl] 67645-19-6 C22H14N4
    5<i>H</i>,5'<i>H</i>-[5,5']bi[cyclopenta[2,1-<i>b</i>;4,3-<i>c</i>']dipyridinyl]
    —— 5-acetoxy-10-acetyl-8-methyl-2-methylsulfanyl-10<i>H</i>-imidazo[1,5-<i>b</i>]pyrimido[5,4-<i>e</i>]pyridazin-6-one 55084-71-4 C14H13N5O4S
    5-acetoxy-10-acetyl-8-methyl-2-methylsulfanyl-10<i>H</i>-imidazo[1,5-<i>b</i>]pyrimido[5,4-<i>e</i>]pyridazin-6-one
    —— 5-chloro-1-(tetrahydrofuran-2-yl)-1H-indazole 60869-92-3 C11H11ClN2O
    5-chloro-1-(tetrahydrofuran-2-yl)-1H-indazole
    —— 5,5-Bis-(4-methoxy-phenyl)-3,3-dimethyl-pent-4-enoic acid 65366-72-5 C21H24O4
    5,5-Bis-(4-methoxy-phenyl)-3,3-dimethyl-pent-4-enoic acid
    —— 5,14,22,31-Tetra-tert-butyl-8,17,25,34-tetramethoxy<2.3.2.3>metacyclophane 125666-20-8 C54H76O4
    5,14,22,31-Tetra-tert-butyl-8,17,25,34-tetramethoxy<2.3.2.3>metacyclophane
    —— [5-acetoxy-5-(3-methyl-thiazolidin-2-yl)-[1,3]dioxan-2-yl]-benzoylamino-acetic acid 2,2,2-trichloro-ethyl ester 65038-07-5 C21H25Cl3N2O7S
    [5-acetoxy-5-(3-methyl-thiazolidin-2-yl)-[1,3]dioxan-2-yl]-benzoylamino-acetic acid 2,2,2-trichloro-ethyl ester
    —— 5,17-diacetoxy-1,4-diacetyl-2,5,17,17-tetradeuterio-1,2-dihydro-6,21-cyclo-4,5-seco-akuammilane 63944-70-7 C27H32N2O6
    5,17-diacetoxy-1,4-diacetyl-2,5,17,17-tetradeuterio-1,2-dihydro-6,21-cyclo-4,5-seco-akuammilane
    —— 5,6-diamino-2-(2-(dimethylamino)ethyl)isoindoline-1,3-dione 1188412-96-5 C12H16N4O2
    5,6-diamino-2-(2-(dimethylamino)ethyl)isoindoline-1,3-dione
    —— 5-{2-[4-(3-diethylamino-pyrrolidine-1-carbonyl)-phenylamino]-5-methyl-pyrimidin-4-ylamino}-3H-benzooxazol-2-one 1236664-43-9 C27H31N7O3
    5-{2-[4-(3-diethylamino-pyrrolidine-1-carbonyl)-phenylamino]-5-methyl-pyrimidin-4-ylamino}-3H-benzooxazol-2-one
    —— 5-Chloro-4-oxo-1,3,6-triphenyl-1,4-dihydropyridin-2-olate 263744-95-2 C23H15ClNO2-
    5-Chloro-4-oxo-1,3,6-triphenyl-1,4-dihydropyridin-2-olate
    —— 5,8,8-Trimethyl-9-oxo-1,2-diazabicyclo<5.2.0>nona-3,5-dien-2-carbonsaeure-ethylester 87958-23-4 C13H18N2O3
    5,8,8-Trimethyl-9-oxo-1,2-diazabicyclo<5.2.0>nona-3,5-dien-2-carbonsaeure-ethylester
    —— 5'-methyl-3-octyl-5-trimethylsilylethynyl-2,2'-bithiophene 856899-12-2 C22H32S2Si
    5'-methyl-3-octyl-5-trimethylsilylethynyl-2,2'-bithiophene
    —— 5-((4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecyl)oxy)-2-nitrobenzyl 1H-imidazole-1-carboxylate 1548722-99-1 C22H14F17N3O5
    5-((4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecyl)oxy)-2-nitrobenzyl 1H-imidazole-1-carboxylate
    —— 5-Methyl-2-{(Z)-2-[4-(4-methyl-5-phenyl-[1,2,3]triazol-2-yl)-phenyl]-vinyl}-benzooxazole 26513-14-4 C25H20N4O
    5-Methyl-2-{(Z)-2-[4-(4-methyl-5-phenyl-[1,2,3]triazol-2-yl)-phenyl]-vinyl}-benzooxazole
    —— 5-(furan-2-yl)-1,3,7-trimethyl-6-nitropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione 1574622-76-6 C14H12N4O5
    5-(furan-2-yl)-1,3,7-trimethyl-6-nitropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
    —— 5-(4-chloro-anilinomethyl)-1<i>H</i>-pyrimidine-2,4-dione 57661-17-3 C11H10ClN3O2
    5-(4-chloro-anilinomethyl)-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-amino-7-oxo-2-phenyl-6,7-dihydro-pyrazolo[1,5-<i>a</i>]pyrimidine-6-carbonitrile 65602-56-4 C13H9N5O
    5-amino-7-oxo-2-phenyl-6,7-dihydro-pyrazolo[1,5-<i>a</i>]pyrimidine-6-carbonitrile
    —— 5-Acetyl-4-hydroxy-1H-pyrazolo<3,4-b>pyridin 60892-31-1 C8H7N3O2
    5-Acetyl-4-hydroxy-1H-pyrazolo<3,4-b>pyridin
    —— 5-(4,5-dimethoxy-2-methyl-phenyl)-2,4-dihydro-[1,2,4]triazol-3-one 62036-26-4 C11H13N3O3
    5-(4,5-dimethoxy-2-methyl-phenyl)-2,4-dihydro-[1,2,4]triazol-3-one