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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-dibenzyl-1,1'-(4-oxa-heptanediyl)-bis-biguanide; dihydrochloride 113795-86-1 C24H36N10O*2ClH
    5,5'-dibenzyl-1,1'-(4-oxa-heptanediyl)-bis-biguanide; dihydrochloride
    —— 5-Hydroxyoctano-hydroxamsaeure 16856-73-8 C8H17NO3
    5-Hydroxyoctano-hydroxamsaeure
    —— 5-bromo-1-tert-butoxycarbonylmethyl-4-cyclohexyl-1H-pyrrole-2-carboxylic acid methyl ester 917605-39-1 C18H26BrNO4
    5-bromo-1-tert-butoxycarbonylmethyl-4-cyclohexyl-1H-pyrrole-2-carboxylic acid methyl ester
    —— 5-acetoxi-6-(trimetilsilil)metil-6-heptenal 180903-69-9 C13H24O3Si
    5-acetoxi-6-(trimetilsilil)metil-6-heptenal
    —— (5-styryl-oxazol-2-yl)-carbamic acid benzyl ester 33123-93-2 C19H16N2O3
    (5-styryl-oxazol-2-yl)-carbamic acid benzyl ester
    —— 5-(2-n-propoxyphenyl)-3-n-propyl-2-(2-pyrazol-1-ylethyl)-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 215299-65-3 C22H26N6O2
    5-(2-n-propoxyphenyl)-3-n-propyl-2-(2-pyrazol-1-ylethyl)-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    —— 5-(4-fluoro-benzyloxy)-2-(3,3,3-trifluoro-2-methoxy-propyl)-isoindole-1,3-dione 607734-98-5 C19H15F4NO4
    5-(4-fluoro-benzyloxy)-2-(3,3,3-trifluoro-2-methoxy-propyl)-isoindole-1,3-dione
    —— 5-nitro-4,6-diphenyl-3-chloroacetyl-3,4-dihydropyrimidin-2(1H)-one 1263296-06-5 C18H14ClN3O4
    5-nitro-4,6-diphenyl-3-chloroacetyl-3,4-dihydropyrimidin-2(1H)-one
    —— 5-(hexylthienyl)-4,4-diphenyldithienosilole 1263314-95-9 C30H28S3Si
    5-(hexylthienyl)-4,4-diphenyldithienosilole
    —— 5-bromo-N-cyclohexyl-N-(cyclohexylcarbamoyl)thiophene-2-carboxamide 1363415-58-0 C18H25BrN2O2S
    5-bromo-N-cyclohexyl-N-(cyclohexylcarbamoyl)thiophene-2-carboxamide
    —— 5-ethynyl-6-vinylbenzo[d][1,3]dioxole 1079039-74-9 C11H8O2
    5-ethynyl-6-vinylbenzo[d][1,3]dioxole
    —— 5-Chlor-2,3,4,6-tetramethylbenzylnitrat 27021-19-8 C11H14ClNO3
    5-Chlor-2,3,4,6-tetramethylbenzylnitrat
    —— 5-(4-Methoxy-phenyl)-2-(3-oxo-butyl)-cyclohexan-1,3-dion 25754-44-3 C17H20O4
    5-(4-Methoxy-phenyl)-2-(3-oxo-butyl)-cyclohexan-1,3-dion
    —— 5,7-dimethyl-2-[1-(3-methyl-butyl)-4-phenyl-1H-imidazol-2-ylsulfanylmethyl]-imidazo[1,2-a]pyrimidine 1201688-50-7 C23H27N5S
    5,7-dimethyl-2-[1-(3-methyl-butyl)-4-phenyl-1H-imidazol-2-ylsulfanylmethyl]-imidazo[1,2-a]pyrimidine
    —— 5-hydroxymethyl-8-methyl-3-nitro-2-trichloromethyl-2H-pyrano[2,3-c]pyridine 1417519-83-5 C11H9Cl3N2O4
    5-hydroxymethyl-8-methyl-3-nitro-2-trichloromethyl-2H-pyrano[2,3-c]pyridine
    —— 5-{[(5R,7S)-1-(3-fluorophenyl)-3,7-dimethyl-2,2-dioxido-2-thia-1,3,8-triazaspiro[4.5]dec-8-yl]methyl}-2'-methylbiphenyl-2-ol 1193782-45-4 C28H32FN3O3S
    5-{[(5R,7S)-1-(3-fluorophenyl)-3,7-dimethyl-2,2-dioxido-2-thia-1,3,8-triazaspiro[4.5]dec-8-yl]methyl}-2'-methylbiphenyl-2-ol
    —— 5-benzyl-2,7-dimethyl-1,4,6,9-tetraoxa-5λ<sup>5</sup>-arsa-spiro[4.4]nonane 50596-21-9 C13H19AsO4
    5-benzyl-2,7-dimethyl-1,4,6,9-tetraoxa-5λ<sup>5</sup>-arsa-spiro[4.4]nonane
    —— 5'-O,6-Cyclo-5-hydroxy-2',3'-O-isopropylideneuridine 114743-20-3 C12H14N2O7
    5'-O,6-Cyclo-5-hydroxy-2',3'-O-isopropylideneuridine
    —— 5-(N-benzyloxycarbonyl)aminopentyl 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranoside 1355331-86-0 C47H45NO12
    5-(N-benzyloxycarbonyl)aminopentyl 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranoside
    —— (5-{3-[6-(2-bromo-5-fluorophenoxy)pyridin-3-yl]isoxazol-5-yl}-2H-tetrazol-2-yl)acetic acid 1161025-79-1 C17H10BrFN6O4
    (5-{3-[6-(2-bromo-5-fluorophenoxy)pyridin-3-yl]isoxazol-5-yl}-2H-tetrazol-2-yl)acetic acid
    —— 5-amino-4-(3-chloro-phenyl)-2-[2-(2,2-dimethyl-[1,3]dioxolan-4-yl)-ethoxy]-thieno[2,3-d]pyrimidine-6-carboxylic acid amide 1259879-33-8 C20H21ClN4O4S
    5-amino-4-(3-chloro-phenyl)-2-[2-(2,2-dimethyl-[1,3]dioxolan-4-yl)-ethoxy]-thieno[2,3-d]pyrimidine-6-carboxylic acid amide
    —— 5,5'-diethoxy-[3,3']biisoxazolyl 99068-86-7 C10H12N2O4
    5,5'-diethoxy-[3,3']biisoxazolyl
    —— 5-(6-Bromo-7-hydroxy-4-oxo-4H-chromen-2-yl)-2-hydroxy-benzoic acid 78050-76-7 C16H9BrO6
    5-(6-Bromo-7-hydroxy-4-oxo-4H-chromen-2-yl)-2-hydroxy-benzoic acid
    —— 5,8-dimethyl-3-phenyl-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one 1359822-25-5 C17H14N4O
    5,8-dimethyl-3-phenyl-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one
    —— 5β-Androstan-3,17-dion-5β,6β-3H 34750-98-6 C19H28O2
    5β-Androstan-3,17-dion-5β,6β-3H
    —— (5S,6R,8R,9S,10S,13R,14S,17S)-6-Bromo-17-ethyl-5-hydroxy-4,4,13,14-tetramethyl-hexadecahydro-cyclopenta[a]phenanthren-11-one 35426-32-5 C23H37BrO2
    (5S,6R,8R,9S,10S,13R,14S,17S)-6-Bromo-17-ethyl-5-hydroxy-4,4,13,14-tetramethyl-hexadecahydro-cyclopenta[a]phenanthren-11-one
    —— 5-(4-Bromo-phenoxymethyl)-4-{[1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-amino}-4H-[1,2,4]triazole-3-thiol 118794-60-8 C14H10BrN5O4S
    5-(4-Bromo-phenoxymethyl)-4-{[1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-amino}-4H-[1,2,4]triazole-3-thiol
    —— 5-chloro-2-imino-1-[2-(4-methoxyphenoxy)ethyl]-1,2-dihydropyridine-3-carboxamide 1021872-49-0 C15H16ClN3O3
    5-chloro-2-imino-1-[2-(4-methoxyphenoxy)ethyl]-1,2-dihydropyridine-3-carboxamide
    —— 5-chloro-1-{[(1S,2R,5S)-6,6-dimethylbicyclo[3.1.1]hept-2-yl]methyl}-2-imino-1,2-dihydropyridine-3-carboxamide 1021872-19-4 C16H22ClN3O
    5-chloro-1-{[(1S,2R,5S)-6,6-dimethylbicyclo[3.1.1]hept-2-yl]methyl}-2-imino-1,2-dihydropyridine-3-carboxamide
    —— 5-phenyl-2,8-bis(trifluoromethyl)-dibenzophosphole 5-oxide 1345098-21-6 C20H11F6OP
    5-phenyl-2,8-bis(trifluoromethyl)-dibenzophosphole 5-oxide
    —— 5,15:10,20-bis<2,5-dimethoxy-3,6-dimethylbenzene-1,4-diylbis(4,1-butanediyl-2,1-benzeno)>porphyrin 142294-30-2 C80H82N4O4
    5,15:10,20-bis<2,5-dimethoxy-3,6-dimethylbenzene-1,4-diylbis(4,1-butanediyl-2,1-benzeno)>porphyrin
    —— ({5-[5-(2-Cyano-ethylcarbamoyl)-1-methyl-1H-pyrrol-3-ylcarbamoyl]-1-methyl-1H-pyrrol-3-ylcarbamoyl}-methyl)-carbamic acid benzyl ester 155087-92-6 C25H27N7O5
    ({5-[5-(2-Cyano-ethylcarbamoyl)-1-methyl-1H-pyrrol-3-ylcarbamoyl]-1-methyl-1H-pyrrol-3-ylcarbamoyl}-methyl)-carbamic acid benzyl ester
    —— <5-2H>1,2,3-thiadiazole 59262-17-8 C2H2N2S
    <5-2H>1,2,3-thiadiazole
    —— 5-hydroxy-3-methyl-N-(3-nitrophenyl)-1-phenyl-1H-pyrazole-4-carboxamide 1610566-97-6 C17H14N4O4
    5-hydroxy-3-methyl-N-(3-nitrophenyl)-1-phenyl-1H-pyrazole-4-carboxamide
    —— 5-Hydroxy-2-methyl-2-trimethylsilanyloxy-hexadecan-3-one 99788-86-0 C20H42O3Si
    5-Hydroxy-2-methyl-2-trimethylsilanyloxy-hexadecan-3-one
    —— 5-phenyl-1,3-dehydroadamantane 1428321-21-4 C16H18
    5-phenyl-1,3-dehydroadamantane
    —— 5-(1,1-dimethylethyl)-5-nonanamine 141983-54-2 C13H29N
    5-(1,1-dimethylethyl)-5-nonanamine
    —— 5-((4aR,8R,8aR)-2,2-di-tert-butyl-8-((triisopropylsilyl)oxy)-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3,2]dioxasilin-6-yl)-3-(4-methylbenzyl)benzo[d]isothiazole 1207561-86-1 C38H57NO4SSi2
    5-((4aR,8R,8aR)-2,2-di-tert-butyl-8-((triisopropylsilyl)oxy)-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3,2]dioxasilin-6-yl)-3-(4-methylbenzyl)benzo[d]isothiazole
    —— 5-oxo-8-phenyl-octanoic acid ethyl ester 14955-60-3 C16H22O3
    5-oxo-8-phenyl-octanoic acid ethyl ester
    —— 5-(4-(((1S,2S)-2-(6,7-dihydro-5H-cyclopenta[b]pyridin-2-yl)cyclopropyl)methoxy)-2-methylpyrimidin-5-yl)-3-methoxy-1-methylpyridin-2(1H)-one 1611463-79-6 C24H26N4O3
    5-(4-(((1S,2S)-2-(6,7-dihydro-5H-cyclopenta[b]pyridin-2-yl)cyclopropyl)methoxy)-2-methylpyrimidin-5-yl)-3-methoxy-1-methylpyridin-2(1H)-one
    —— (5S)-5-methyl-5-(([4-[(2-methyl-1-oxo-1,2,3,4-tetrahydroisoquinolin-5-yl)ethynyl]-3,6-dihydropyridin-1(2H)-yl]sulfonyl)methyl)imidazolidine-2,4-dione 1100508-70-0 C22H24N4O5S
    (5S)-5-methyl-5-(([4-[(2-methyl-1-oxo-1,2,3,4-tetrahydroisoquinolin-5-yl)ethynyl]-3,6-dihydropyridin-1(2H)-yl]sulfonyl)methyl)imidazolidine-2,4-dione
    —— 5-benzyloxymethyl-13β,14α-dihdyroxymethyl-5,9-dimethyl-16-isopropyltetracyclo[10.2.2.0<sup>1,10</sup>.0<sup>4.9</sup>]hexadec-15-ene 403984-33-8 C31H46O3
    5-benzyloxymethyl-13β,14α-dihdyroxymethyl-5,9-dimethyl-16-isopropyltetracyclo[10.2.2.0<sup>1,10</sup>.0<sup>4.9</sup>]hexadec-15-ene
    —— 5-[(4-methyl-piperidin-1-yl)-acetyl]-5,10-dihydro-dibenzo[<i>b</i>,<i>e</i>][1,4]diazepin-11-one 29174-40-1 C21H23N3O2
    5-[(4-methyl-piperidin-1-yl)-acetyl]-5,10-dihydro-dibenzo[<i>b</i>,<i>e</i>][1,4]diazepin-11-one
    —— 5.5-Dimethyl-2.2-pentamethylen-thiazolidin-carbonamid-(4) 14621-62-6 C11H20N2OS
    5.5-Dimethyl-2.2-pentamethylen-thiazolidin-carbonamid-(4)
    —— 5-(1-benzyl-5-methyl-3-oxido-1H-imidazol-4-yl)-N-methyl-1,3,4-thiadiazol-2-amine 1349129-88-9 C14H15N5OS
    5-(1-benzyl-5-methyl-3-oxido-1H-imidazol-4-yl)-N-methyl-1,3,4-thiadiazol-2-amine
    —— 5,7-Diiodo-8-(5-phenyl-[1,3,4]oxadiazol-2-yloxy)-quinoline 134143-82-1 C17H9I2N3O2
    5,7-Diiodo-8-(5-phenyl-[1,3,4]oxadiazol-2-yloxy)-quinoline
    —— 5,10,15,20-tetrakis[4-(6-hydroxyhexyloxy)phenyl]porphyrin 1361151-07-6 C68H78N4O8
    5,10,15,20-tetrakis[4-(6-hydroxyhexyloxy)phenyl]porphyrin
    —— 5-(4-hydroxy-3,5-di-isopropylphenyl)thianthreniumyl perchlorate 134189-27-8 C24H25OS2*ClO4
    5-(4-hydroxy-3,5-di-isopropylphenyl)thianthreniumyl perchlorate
    —— 5,7-Diethoxy-3-phenyl-2,3-dihydro-cyclopenta[a]naphthalen-1-one 92891-11-7 C23H22O3
    5,7-Diethoxy-3-phenyl-2,3-dihydro-cyclopenta[a]naphthalen-1-one
    —— 5,7,9-Trimethyl-2,3-dihydropyrido<3',2':4,5>thieno<2,3-e>imidazo<1,2-c>pyrimidin 119004-56-7 C14H14N4S
    5,7,9-Trimethyl-2,3-dihydropyrido<3',2':4,5>thieno<2,3-e>imidazo<1,2-c>pyrimidin