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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-dibutyl-1H,1'H-3,3'-bipyrazole 1259930-99-8 C14H22N4
    5,5'-dibutyl-1H,1'H-3,3'-bipyrazole
    —— 5-Methyl-6-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfanyl]hexahydro-4,7-methano-2-benzofuran-1,3-dione 94413-32-8 C18H15F13O3S
    5-Methyl-6-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfanyl]hexahydro-4,7-methano-2-benzofuran-1,3-dione
    —— 5,8-diacetoxy-6,9-dibromo-5,6,8,9,10,11-hexahydrobenz<a>anthracene 121724-65-0 C22H20Br2O4
    5,8-diacetoxy-6,9-dibromo-5,6,8,9,10,11-hexahydrobenz<a>anthracene
    —— (5,6,7,8-tetrahydro-[1]naphthyl)-acetyl chloride 114949-12-1 C12H13ClO
    (5,6,7,8-tetrahydro-[1]naphthyl)-acetyl chloride
    —— 5-(3,4-Dichlorophenyl)-1-(4-fluorobenzyl)-5-hydroxypiperidin-2-one 173086-61-8 C18H16Cl2FNO2
    5-(3,4-Dichlorophenyl)-1-(4-fluorobenzyl)-5-hydroxypiperidin-2-one
    —— 5-methanesulfinylmethyl-benzo[<i>f</i>][1,7]naphthyridine 71999-91-2 C14H12N2OS
    5-methanesulfinylmethyl-benzo[<i>f</i>][1,7]naphthyridine
    —— 5-(2',3'-methylenedioxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 364765-73-1 C16H16N4O3
    5-(2',3'-methylenedioxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    —— (5S,8R,9R,10S,14S)-4,4,8,10,14-pentamethyl-17-[(2R,5E)-6-methyldeca-5,9-dien-2-yl]-2,3,5,6,7,9,11,12,15,16-decahydro-1H-cyclopenta[a]phenanthrene 1159187-29-7 C33H54
    (5S,8R,9R,10S,14S)-4,4,8,10,14-pentamethyl-17-[(2R,5E)-6-methyldeca-5,9-dien-2-yl]-2,3,5,6,7,9,11,12,15,16-decahydro-1H-cyclopenta[a]phenanthrene
    —— 5,5''-bis(9-acridinyl)-2,2':5',2''-terthiophene 897017-46-8 C38H22N2S3
    5,5''-bis(9-acridinyl)-2,2':5',2''-terthiophene
    —— 5-(4-Methoxy-phenyl)-3'-methyl-1,1',5'-triphenyl-2,5-dihydro-1H,1'H-[3,4']bipyrazolyl 101986-00-9 C32H28N4O
    5-(4-Methoxy-phenyl)-3'-methyl-1,1',5'-triphenyl-2,5-dihydro-1H,1'H-[3,4']bipyrazolyl
    —— (5S,9S)-9-(benzyloxy)-7-oxa-1,3-diazaspiro[4.4]nonane-2,4-dione 1351450-40-2 C13H14N2O4
    (5S,9S)-9-(benzyloxy)-7-oxa-1,3-diazaspiro[4.4]nonane-2,4-dione
    —— 5-chloro-3'-methyl-6'-(methylamino)-5'-nitro-1'-phenyl-1'Hspiro[indoline-3,4'-pyrano[2,3-c]pyrazol]-2-one 1609627-35-1 C21H16ClN5O4
    5-chloro-3'-methyl-6'-(methylamino)-5'-nitro-1'-phenyl-1'Hspiro[indoline-3,4'-pyrano[2,3-c]pyrazol]-2-one
    —— 5,10,15,20-tetrakis (4-aminophenyl)manganese porphyrin 71547-21-2 C44H32MnN8
    5,10,15,20-tetrakis (4-aminophenyl)manganese porphyrin
    —— 5,6-di-O-acetyl-3',4'-di-O-benzyl-1,3,2',3'-tetraazidoneamine 549501-26-0 C30H34N12O8
    5,6-di-O-acetyl-3',4'-di-O-benzyl-1,3,2',3'-tetraazidoneamine
    —— 5-Isopropyl-2,6-dimethyl-6-phosphabicyclo<3.1.1>hept-2-ene Methiodide 87433-00-9 C12H22P*I
    5-Isopropyl-2,6-dimethyl-6-phosphabicyclo<3.1.1>hept-2-ene Methiodide
    —— 5-(3-Methoxy-propyl)-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ol 14341-99-2 C19H22O2
    5-(3-Methoxy-propyl)-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ol
    —— 5-(2-aminocyclohexyl)amino-7-(2-acetoxybenzyl)amino-3-isopropylpyrazolo[4,3-d]pyrimidine 607726-53-4 C23H31N7O2
    5-(2-aminocyclohexyl)amino-7-(2-acetoxybenzyl)amino-3-isopropylpyrazolo[4,3-d]pyrimidine
    —— 5-(1-(3-chlorophenyl)-1H-pyrazol-5-yl)-3-nitrobenzene-1,2-diol 1222880-87-6 C15H10ClN3O4
    5-(1-(3-chlorophenyl)-1H-pyrazol-5-yl)-3-nitrobenzene-1,2-diol
    —— 5-Morpholino-1,3,4-thiadiazol-2-yl isocyanide 255842-20-7 C7H8N4OS
    5-Morpholino-1,3,4-thiadiazol-2-yl isocyanide
    —— 5-isopropyl-4,4-dimethyl-3,4-dihydro-2<i>H</i>-pyrrole 1432-51-5 C9H17N
    5-isopropyl-4,4-dimethyl-3,4-dihydro-2<i>H</i>-pyrrole
    —— 5-{6-[(S)-1-(1,1-dioxo-hexahydro-1lambda*6*-thiopyran-4-carbonyl)-pyrrolidin-3-yloxy]-2,3-dihydro-benzo[1,4]oxazin-4-yl}-2-methoxy-nicotinonitrile 1446000-78-7 C25H28N4O6S
    5-{6-[(S)-1-(1,1-dioxo-hexahydro-1lambda*6*-thiopyran-4-carbonyl)-pyrrolidin-3-yloxy]-2,3-dihydro-benzo[1,4]oxazin-4-yl}-2-methoxy-nicotinonitrile
    —— 5-(phenylethylamino)-quinoline-8-carboxamide 1445782-22-8 C18H17N3O
    5-(phenylethylamino)-quinoline-8-carboxamide
    —— 5,9-Bis(ethylamino)-10-methylbenzo[a]phenoxazin-7-ium 60311-03-7 C21H22N3O+
    5,9-Bis(ethylamino)-10-methylbenzo[a]phenoxazin-7-ium
    —— 5-Chloro-N-(3,5-dichloro-2-nitro-phenyl)-2-hydroxy-benzamide 95874-59-2 C13H7Cl3N2O4
    5-Chloro-N-(3,5-dichloro-2-nitro-phenyl)-2-hydroxy-benzamide
    —— 5-(1H-benzo[d]imidazol-2-yl)-1-methyl-3H-benzo[f]chromen-3-one 1644635-38-0 C21H14N2O2
    5-(1H-benzo[d]imidazol-2-yl)-1-methyl-3H-benzo[f]chromen-3-one
    —— 5-(bicyclo<2.2.1>hept-2-en-5-yl)-2-methyl-4-acetyloxazole 110796-29-7 C13H15NO2
    5-(bicyclo<2.2.1>hept-2-en-5-yl)-2-methyl-4-acetyloxazole
    —— 5-O-benzyl-1,3-di-O-methyl-2-thioformyl-α-D-ribo-furanose 1451073-64-5 C15H20O5S
    5-O-benzyl-1,3-di-O-methyl-2-thioformyl-α-D-ribo-furanose
    —— 5-Methyl-2-(2-methyl-benzylsulfanyl)-1-phenethyl-4,5-dihydro-1H-imidazole; hydrobromide 1744-83-8 BrH*C20H24N2S
    5-Methyl-2-(2-methyl-benzylsulfanyl)-1-phenethyl-4,5-dihydro-1H-imidazole; hydrobromide
    —— 5-(3-chlorobenzyl)-4-(4-[1-hydroxy(phenyl)metyl]phenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 1426434-63-0 C22H18ClN3O2
    5-(3-chlorobenzyl)-4-(4-[1-hydroxy(phenyl)metyl]phenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 5-Methoxy-4-(trimethylsilyl)-1,3-benzoxathiol-3,3-dioxid 121112-33-2 C11H16O4SSi
    5-Methoxy-4-(trimethylsilyl)-1,3-benzoxathiol-3,3-dioxid
    —— (5S)-3-[6-Methyl-pyrido[2,3-b]thienyl]-5-aminomethyl-oxazolidin-2-one hydrochloride 193400-68-9 C12H13N3O2S*ClH
    (5S)-3-[6-Methyl-pyrido[2,3-b]thienyl]-5-aminomethyl-oxazolidin-2-one hydrochloride
    —— 5-(2-Thioxanthen-9-ylidene-ethylidene)-pyrimidine-2,4,6-trione 135273-24-4 C19H12N2O3S
    5-(2-Thioxanthen-9-ylidene-ethylidene)-pyrimidine-2,4,6-trione
    —— (5Z)-2-(1H-indole-3-carbonyl)-5-[(6-methoxy-1H-indol-3-yl)methylidene]-1H-imidazol-4-one 444109-06-2 C22H16N4O3
    (5Z)-2-(1H-indole-3-carbonyl)-5-[(6-methoxy-1H-indol-3-yl)methylidene]-1H-imidazol-4-one
    —— 5-benzoylamino-2-(2,4,6-trichloro-phenyl)-1,2-dihydro-pyrazol-3-one 52473-02-6 C16H10Cl3N3O2
    5-benzoylamino-2-(2,4,6-trichloro-phenyl)-1,2-dihydro-pyrazol-3-one
    —— 5-<(Diisopropoxyphosphinyl)hydroxymethyl>-4-methyl-2-thiazolcarbonsaeure-ethylester 100289-00-7 C14H24NO6PS
    5-<(Diisopropoxyphosphinyl)hydroxymethyl>-4-methyl-2-thiazolcarbonsaeure-ethylester
    —— 5α-hydroxy-6β-chloro-17-oxo-androst-2-ene 62799-94-4 C19H27ClO2
    5α-hydroxy-6β-chloro-17-oxo-androst-2-ene
    —— 5-benzyl-4-hydroxy-6-methyl-2-pyrone 27187-47-9 C13H12O3
    5-benzyl-4-hydroxy-6-methyl-2-pyrone
    —— 5-(2-aminopyrimidin-5-yl)-4-(2-chlorophenyl)-4H-1,2,4-triazole-3-thiol 1257543-08-0 C12H9ClN6S
    5-(2-aminopyrimidin-5-yl)-4-(2-chlorophenyl)-4H-1,2,4-triazole-3-thiol
    —— 5-iodo-3,3-dimethoxy-1-methyl-1,3-dihydroindol-2-one 184904-98-1 C11H12INO3
    5-iodo-3,3-dimethoxy-1-methyl-1,3-dihydroindol-2-one
    —— 5-(2-carboxy-vinyl)-2-methyl-furan-3-carboxylic acid ethyl ester 53255-03-1 C11H12O5
    5-(2-carboxy-vinyl)-2-methyl-furan-3-carboxylic acid ethyl ester
    —— 5-Amino-2-benzoylamino-8-cyano-7-(4-methoxy-phenyl)-7H-[1,3,4]thiadiazolo[3,2-a]pyridine-6-carboxylic acid ethyl ester 119712-49-1 C24H21N5O4S
    5-Amino-2-benzoylamino-8-cyano-7-(4-methoxy-phenyl)-7H-[1,3,4]thiadiazolo[3,2-a]pyridine-6-carboxylic acid ethyl ester
    —— 5-amino-2-phenyl-[1,2,4]triazino[4,3-a]quinazoline-1,6-dione 123565-91-3 C16H11N5O2
    5-amino-2-phenyl-[1,2,4]triazino[4,3-a]quinazoline-1,6-dione
    —— 5-(buta-1,3-dien-2-yl)benzo[d][1,3]dioxole 1311260-28-2 C11H10O2
    5-(buta-1,3-dien-2-yl)benzo[d][1,3]dioxole
    —— 5-[[2-(3-chloro-4-fluorophenyl)-1H-indol-3-yl]methylidene]-1,3-diazinane-2,4,6-trione 131520-52-0 C19H11ClFN3O3
    5-[[2-(3-chloro-4-fluorophenyl)-1H-indol-3-yl]methylidene]-1,3-diazinane-2,4,6-trione
    —— 5-[(1R,2S)-2-hydroxycyclohexyl]-3H-1,3,4-oxadiazole-2-thione 130023-75-5 C8H12N2O2S
    5-[(1R,2S)-2-hydroxycyclohexyl]-3H-1,3,4-oxadiazole-2-thione
    —— 5-[3-(8-(4-N',N'-dimethylaminophenyl)pyrene-1-carboxamido)-1-propynyl]-3',5'-O,O'bis(tert-butyldimethylsilyl)-2'-deoxyuridine 867150-50-3 C49H60N4O6Si2
    5-[3-(8-(4-N',N'-dimethylaminophenyl)pyrene-1-carboxamido)-1-propynyl]-3',5'-O,O'bis(tert-butyldimethylsilyl)-2'-deoxyuridine
    —— 5-formyl-furan-2-carbothionic acid-S-3-methoxyphenyl ester 685903-48-4 C13H10O4S
    5-formyl-furan-2-carbothionic acid-S-3-methoxyphenyl ester
    —— 5-Methylmercapto-fluoren-2-amin 21879-11-8 C14H13NS
    5-Methylmercapto-fluoren-2-amin
    —— 5-(-N-(p-O-(2,3,6,2,3,4,6-Hepta-O-acetyl-β-lactosyl)phenyl)-aminocarbonyl)-2,2'-bipyridine 1427462-38-1 C43H47N3O19
    5-(-N-(p-O-(2,3,6,2,3,4,6-Hepta-O-acetyl-β-lactosyl)phenyl)-aminocarbonyl)-2,2'-bipyridine
    —— 5,8-dimethyl-1,2,3,4,5,6,6a,7,8,10,11,12,13,14b-tetradecahydrophenanthro<1,2-a>anthracene 120983-32-6 C28H34
    5,8-dimethyl-1,2,3,4,5,6,6a,7,8,10,11,12,13,14b-tetradecahydrophenanthro<1,2-a>anthracene