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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5-Dibromo-4a,4b,5,5a,5b,5c-hexahydro-2aH-cyclopenta[cd]cyclopropa[a]pentalene 60714-87-6 C11H10Br2
    5,5-Dibromo-4a,4b,5,5a,5b,5c-hexahydro-2aH-cyclopenta[cd]cyclopropa[a]pentalene
    —— 5-Hydroxymethyl-2-methyl-bicyclo[2.2.1]heptane-2-carboxylic acid methyl ester 59261-68-6 C11H18O3
    5-Hydroxymethyl-2-methyl-bicyclo[2.2.1]heptane-2-carboxylic acid methyl ester
    —— 5-Hexene-1,2-diol,4-[(4-methoxyphenyl)methoxy]-3,5-dimethyl-6-(2-methyl-4-oxazolyl)-,(3R,4R,5E)- 391208-59-6 C20H27NO5
    5-Hexene-1,2-diol,4-[(4-methoxyphenyl)methoxy]-3,5-dimethyl-6-(2-methyl-4-oxazolyl)-,(3R,4R,5E)-
    —— [5-(5-Nitro-furan-2-yl)-[1,3,4]oxadiazol-2-ylsulfanyl]-acetic acid [1-pyridin-3-yl-eth-(E)-ylidene]-hydrazide 135264-53-8 C15H12N6O5S
    [5-(5-Nitro-furan-2-yl)-[1,3,4]oxadiazol-2-ylsulfanyl]-acetic acid [1-pyridin-3-yl-eth-(E)-ylidene]-hydrazide
    —— 5-Chlor-2-<(2-hydroxyethyl)amino-acetylamino>-benzophenon 24111-54-4 C17H17ClN2O3
    5-Chlor-2-<(2-hydroxyethyl)amino-acetylamino>-benzophenon
    —— 5-Antipyryl-3-ethoxypyrazol 75613-91-1 C16H18N4O2
    5-Antipyryl-3-ethoxypyrazol
    —— 5α-hydroxy-6β-acetoxy-5α-cholestane 14150-21-1 C29H50O3
    5α-hydroxy-6β-acetoxy-5α-cholestane
    —— 5,7-Bis-(4-bromo-phenyl)-2,2,3,3,9,9,10,10-octamethyl-6,12-di-p-tolyl-1,4,8,11-tetraoxa-6,12-diaza-5λ5,7λ5-diarsa-dispiro[4.1.4.1]dodecane 141941-82-4 C38H46As2Br2N2O4
    5,7-Bis-(4-bromo-phenyl)-2,2,3,3,9,9,10,10-octamethyl-6,12-di-p-tolyl-1,4,8,11-tetraoxa-6,12-diaza-5λ5,7λ5-diarsa-dispiro[4.1.4.1]dodecane
    —— 5-tert-Butylsulfamoyl-naphthalene-1-carboxylic acid methyl ester 141952-10-5 C16H19NO4S
    5-tert-Butylsulfamoyl-naphthalene-1-carboxylic acid methyl ester
    —— 5-(6-chloro-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3-cyclopropyl-2-(ethylthio)-4-oxo-4,5-dihydrothiazol-3-ium tetrafluoroborate 1372670-97-7 BF4*C16H16ClN2OS3
    5-(6-chloro-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3-cyclopropyl-2-(ethylthio)-4-oxo-4,5-dihydrothiazol-3-ium tetrafluoroborate
    —— 5-[4,4-Dimethyl-3a-(3-methyl-isoxazol-5-yl)-3,6-dioxo-hexahydro-cyclopenta[c]furan-(1Z)-ylidene]-pentanoic acid methyl ester 138972-46-0 C19H23NO6
    5-[4,4-Dimethyl-3a-(3-methyl-isoxazol-5-yl)-3,6-dioxo-hexahydro-cyclopenta[c]furan-(1Z)-ylidene]-pentanoic acid methyl ester
    —— 5,5,5',5'-tetramesityl-5H,5'H-5l4,5'l4-[2,2'-bithieno[3',2':3,4][1,2]azaborolo[5,1-b]thiazole]-4,4'-diium 896735-10-7 C50H50B2N2S4
    5,5,5',5'-tetramesityl-5H,5'H-5l4,5'l4-[2,2'-bithieno[3',2':3,4][1,2]azaborolo[5,1-b]thiazole]-4,4'-diium
    —— 5-Amino-isochinolin-carbonsaeure-1-ethylester 91392-42-6 C12H12N2O2
    5-Amino-isochinolin-carbonsaeure-1-ethylester
    —— 5-amino-N<sup>2</sup>-cyclohexyl-N<sup>6</sup>-ethyl-N<sup>2</sup>-methyl-4H-thieno[3,2-b]pyrrole-2,6-dicarboxamide 1562193-01-4 C17H24N4O2S
    5-amino-N<sup>2</sup>-cyclohexyl-N<sup>6</sup>-ethyl-N<sup>2</sup>-methyl-4H-thieno[3,2-b]pyrrole-2,6-dicarboxamide
    —— 5-(cyclohexylamino)-N'-(cyclohexylmethyl)-3-oxo-1,2-thiazole-4-carboximidamide 908376-51-2 C17H28N4OS
    5-(cyclohexylamino)-N'-(cyclohexylmethyl)-3-oxo-1,2-thiazole-4-carboximidamide
    —— [5-[(2,6-dichlorophenyl)methylidene]-6-methyl-4H-pyridazin-3-yl]hydrazine 105826-70-8 C12H12Cl2N4
    [5-[(2,6-dichlorophenyl)methylidene]-6-methyl-4H-pyridazin-3-yl]hydrazine
    —— 5-{(1E)-4-[(3S)-3-hydroxypiperidin-1-yl]but-1-en-1-yl}-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile 1160916-98-2 C24H27N5O
    5-{(1E)-4-[(3S)-3-hydroxypiperidin-1-yl]but-1-en-1-yl}-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile
    —— (5E)-3,6,10-trimethylundeca-1,5,9-triene 38227-33-7 C14H24
    (5E)-3,6,10-trimethylundeca-1,5,9-triene
    —— 5-ethyl-3-[4-(3-methoxy-benzyl)-3,5-dimethyl-pyrazol-1-yl]-5H-1,2,4-triazino[5,6-b]indole 791808-75-8 C24H24N6O
    5-ethyl-3-[4-(3-methoxy-benzyl)-3,5-dimethyl-pyrazol-1-yl]-5H-1,2,4-triazino[5,6-b]indole
    —— 5-isopropylamino-3-methyl-isothiazole-4-carboxylic acid (4-tert-butyl-benzyl)-[2-(3-trifluoromethyl-phenyl)-ethyl]amide 946115-31-7 C28H34F3N3OS
    5-isopropylamino-3-methyl-isothiazole-4-carboxylic acid (4-tert-butyl-benzyl)-[2-(3-trifluoromethyl-phenyl)-ethyl]amide
    —— 5-hydroxymethyl-6-(2-methoxy-5-methoxymethoxyphenyl)-2,2,4-trimethyl-1,2-dihydroquinoline 929524-13-0 C22H27NO4
    5-hydroxymethyl-6-(2-methoxy-5-methoxymethoxyphenyl)-2,2,4-trimethyl-1,2-dihydroquinoline
    —— 5-hydroxy-7-exo-chlorospiro(bicyclo<3.2.0>hept-2-ene-4,1'-cyclopentan)-6-one 85858-03-3 C11H13ClO2
    5-hydroxy-7-exo-chlorospiro(bicyclo<3.2.0>hept-2-ene-4,1'-cyclopentan)-6-one
    —— 5-(3-Benzylamino-2-hydroxy-propoxy)-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; hydrochloride 82579-18-8 C19H22N2O4*ClH
    5-(3-Benzylamino-2-hydroxy-propoxy)-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; hydrochloride
    —— 5-(3-pyridylamino)-1,2,3-thiadiazole 76105-75-4 C7H6N4S
    5-(3-pyridylamino)-1,2,3-thiadiazole
    —— (5S)-3-acetyl-1-(4-fluorophenyl)-5-(2-methylsulfanylethyl)-2,5-dihydro-1,2,4-triazin-6-one 139455-85-9 C14H16FN3O2S
    (5S)-3-acetyl-1-(4-fluorophenyl)-5-(2-methylsulfanylethyl)-2,5-dihydro-1,2,4-triazin-6-one
    —— 5-(4-chlorophenyl)-3-(thiophen-2-ylmethylidene)-1H-pyrrol-2-one 114847-16-4 C15H10ClNOS
    5-(4-chlorophenyl)-3-(thiophen-2-ylmethylidene)-1H-pyrrol-2-one
    —— 5-[2-(2-Chloro-phenyl)-acetyl]-1,3-dimethyl-1,3-dihydro-benzoimidazol-2-one 680189-06-4 C17H15ClN2O2
    5-[2-(2-Chloro-phenyl)-acetyl]-1,3-dimethyl-1,3-dihydro-benzoimidazol-2-one
    —— 5,5-dicyclohexyl-4-oxo-valeric acid ethyl ester 855640-37-8 C19H32O3
    5,5-dicyclohexyl-4-oxo-valeric acid ethyl ester
    —— 5-chloro-pyridine-2-carboxylic acid [3-((3R,6S)-5-amino-3-methyl-6-phenyl-3,6-dihydro-2H-[1,4]oxazin-3-yl)-4-fluoro-phenyl]-amide 1266786-80-4 C23H20ClFN4O2
    5-chloro-pyridine-2-carboxylic acid [3-((3R,6S)-5-amino-3-methyl-6-phenyl-3,6-dihydro-2H-[1,4]oxazin-3-yl)-4-fluoro-phenyl]-amide
    —— 5-Oxiranylmethoxy-benzo[c]fluoren-7-one 82276-31-1 C20H14O3
    5-Oxiranylmethoxy-benzo[c]fluoren-7-one
    —— 5-chloro-2-(2-methylphenylthio)benzyl alcohol 93288-99-4 C14H13ClOS
    5-chloro-2-(2-methylphenylthio)benzyl alcohol
    —— 5-(1-{2-[5-(4-chlorophenyl)-3-phenyl-4,5-dihydropyrazol-1-yl]-2-oxoethyl}-2-oxo-1,2-dihydroindol-3-ylidene)-2-thioxo-4-thiazolidinone 1331887-27-4 C28H19ClN4O3S2
    5-(1-{2-[5-(4-chlorophenyl)-3-phenyl-4,5-dihydropyrazol-1-yl]-2-oxoethyl}-2-oxo-1,2-dihydroindol-3-ylidene)-2-thioxo-4-thiazolidinone
    —— 5-chloro-5-deoxy-1,2:3,4-di-O-isopropylidene-L-muco-quercitol 861661-02-1 C12H19ClO4
    5-chloro-5-deoxy-1,2:3,4-di-O-isopropylidene-L-muco-quercitol
    —— 5-methyl-3-(2-prop-2-enylphenyl)cyclohex-2-en-1-one 191546-87-9 C16H18O
    5-methyl-3-(2-prop-2-enylphenyl)cyclohex-2-en-1-one
    —— (5R,11S)-5,11-Dimethyl-8-oxoheptadecane 177088-53-8 C19H38O
    (5R,11S)-5,11-Dimethyl-8-oxoheptadecane
    —— 5-chloro-N-(2-oxo-5-(2,4,6-trichlorophenyl)-2,3-dihydro-1H-benzo[e] [1,4]diazepin-3-yl)-2-(2-propionamidoethoxy)benzamide 1271524-17-4 C27H22Cl4N4O4
    5-chloro-N-(2-oxo-5-(2,4,6-trichlorophenyl)-2,3-dihydro-1H-benzo[e] [1,4]diazepin-3-yl)-2-(2-propionamidoethoxy)benzamide
    —— 5α-Chlor-3β,20andb-diacetoxy-6β,19-oxido-pregnan 2867-81-4 C25H37ClO5
    5α-Chlor-3β,20andb-diacetoxy-6β,19-oxido-pregnan
    —— 5-<D-Glycero-1,2-diacetoxy-ethyl>-1-<p-bromphenyl>-3-formyl-pyrazol-<N-acetyl-p-bromphenyl-hydrazon> 101549-50-2 C24H22Br2N4O5
    5-<D-Glycero-1,2-diacetoxy-ethyl>-1-<p-bromphenyl>-3-formyl-pyrazol-<N-acetyl-p-bromphenyl-hydrazon>
    —— (5Z)-5-[(2-{[3-(dimethylamino)propyl]amino}(1,3-thiazol-5-yl))methylene]-2-(indol-5-ylazamethylene)-1,3-thiazolidin-4-one 1253115-93-3 C20H22N6OS2
    (5Z)-5-[(2-{[3-(dimethylamino)propyl]amino}(1,3-thiazol-5-yl))methylene]-2-(indol-5-ylazamethylene)-1,3-thiazolidin-4-one
    —— 5,8-Dihydroxy-3,19-dioxo-5β-aethiansaeure-19:8-hemiacetal-19-methylat-methylester; 5-Hyroxy-3-oxo-19-methoxy-8,19-epoxy-5β-aerthiansaeure-methylester 95286-71-8 C22H32O6
    5,8-Dihydroxy-3,19-dioxo-5β-aethiansaeure-19:8-hemiacetal-19-methylat-methylester; 5-Hyroxy-3-oxo-19-methoxy-8,19-epoxy-5β-aerthiansaeure-methylester
    —— 5,6,7,8-Tetrachlor-1,4-diethoxy-5,8-dimethoxymethylen-5,8-dihydro-naphthalin 93408-38-9 C17H18Cl4O4
    5,6,7,8-Tetrachlor-1,4-diethoxy-5,8-dimethoxymethylen-5,8-dihydro-naphthalin
    —— 5-(2-allylamino-1-oxopropyl)-8-hydroxycarbostyril 69147-72-4 C15H16N2O3*ClH
    5-(2-allylamino-1-oxopropyl)-8-hydroxycarbostyril
    —— 5-Brom-2-(2-diethylamino-ethoxy)-benzylalkohol 1890-55-7 C13H20BrNO2
    5-Brom-2-(2-diethylamino-ethoxy)-benzylalkohol
    —— 5-nitro-2-furaldehyde (N4-isopropyl-4,6-diamino)-[1,3,5]-triazin-2-yl-hydrazone 10456-73-2 C11H14N8O3
    5-nitro-2-furaldehyde (N4-isopropyl-4,6-diamino)-[1,3,5]-triazin-2-yl-hydrazone
    —— 5-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-2-(1,3-thiazol-2-yl)pyridine-4-carbaldehyde 1105510-54-0 C15H17N3O2S
    5-[(2R,6S)-2,6-dimethylmorpholin-4-yl]-2-(1,3-thiazol-2-yl)pyridine-4-carbaldehyde
    —— 5,11,17,23-tetraacetyl-25,26,27,28-tetrakis(1-n-octyloxy)calix<4>arene (cone conformer) 141344-71-0 C68H96O8
    5,11,17,23-tetraacetyl-25,26,27,28-tetrakis(1-n-octyloxy)calix<4>arene (cone conformer)
    —— 5-butyl-7-chloro-1-methyl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 1784-81-2 C14H17ClN2O
    5-butyl-7-chloro-1-methyl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 5,6-dichloro-4-[(2-nitrophenyl-methyl)-amino]-3-propyn-1-yl-pyridine-2-carboxylic acid methyl ester 1259329-99-1 C17H13Cl2N3O4
    5,6-dichloro-4-[(2-nitrophenyl-methyl)-amino]-3-propyn-1-yl-pyridine-2-carboxylic acid methyl ester
    —— 5-Benzyl-7-phenyl-pyrido<3,4-d>pyridazin-1,4(2H,3H)-dion 43056-94-6 C20H15N3O2
    5-Benzyl-7-phenyl-pyrido<3,4-d>pyridazin-1,4(2H,3H)-dion
    —— 5'-ethyl 3'-methyl (3R,4'R,5'R)-4'-butyl-2-oxo-2H-spiro[benzofuran-3,1'-cyclopentan]-2'-ene-3',5'-dicarboxylate 1440545-08-3 C21H24O6
    5'-ethyl 3'-methyl (3R,4'R,5'R)-4'-butyl-2-oxo-2H-spiro[benzofuran-3,1'-cyclopentan]-2'-ene-3',5'-dicarboxylate