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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Acetyl-3-iso-propyl-N-(β-hydroxyethyl)-pyrrolid-2-on 26232-55-3 C11H19NO3
    5-Acetyl-3-iso-propyl-N-(β-hydroxyethyl)-pyrrolid-2-on
    —— 5-(2-Chlorbenzyl)-7,8,9,10-tetrahydro-6H-azepino<1,2-a>benzimidazolium-chlorid 23256-93-1 C19H20ClN2*Cl
    5-(2-Chlorbenzyl)-7,8,9,10-tetrahydro-6H-azepino<1,2-a>benzimidazolium-chlorid
    —— 5,5'-Dimethyl-2-deoxo-2-p-tolylimino-isoindigo 29650-26-8 C25H21N3O
    5,5'-Dimethyl-2-deoxo-2-p-tolylimino-isoindigo
    —— 5-Acetamido-(4-amino-2-methyl-5-pyrimidinyl)-methyl-4-phenylpyrazol 27374-46-5 C17H18N6O
    5-Acetamido-(4-amino-2-methyl-5-pyrimidinyl)-methyl-4-phenylpyrazol
    —— 5-(3,5-bis(trifluoromethyl)phenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde 1596345-45-7 C18H10F6N2O
    5-(3,5-bis(trifluoromethyl)phenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde
    —— 5-benzyl-1,2,3,6-tetrahydrocyclopenta[5,6]pyrido[3,4-b]indol-1-ol 1207515-99-8 C21H18N2O
    5-benzyl-1,2,3,6-tetrahydrocyclopenta[5,6]pyrido[3,4-b]indol-1-ol
    —— 5-ethoxy-4-methoxy-2-vinyl-benzoic acid 723272-95-5 C12H14O4
    5-ethoxy-4-methoxy-2-vinyl-benzoic acid
    —— 5-bromo-5'-methoxydiphenic acid 1426084-54-9 C15H11BrO5
    5-bromo-5'-methoxydiphenic acid
    —— 5-nitro-1-(5'-O-tert-butyldimethylsilyl-2',3'-O-isopropylidene-β-D-ribofuranosyl)imidazole-4-carboxaldehyde 1133840-86-4 C18H29N3O7Si
    5-nitro-1-(5'-O-tert-butyldimethylsilyl-2',3'-O-isopropylidene-β-D-ribofuranosyl)imidazole-4-carboxaldehyde
    —— (5E,12E,11S,14S)-11,14-di[(tert-butyldimethylsilyloxy)methyl]-1,3,8,10-tetraoxacyclotetradeca-5,12-diene-2,9-dione 1092777-57-5 C24H44O8Si2
    (5E,12E,11S,14S)-11,14-di[(tert-butyldimethylsilyloxy)methyl]-1,3,8,10-tetraoxacyclotetradeca-5,12-diene-2,9-dione
    —— [5'-DMTr-2'TBDMS-rU]-[3'-p(OMe)-5']-[rU-2'-TIPS-3'-Lev] 1309592-56-0 C60H83N4O18PSi2
    [5'-DMTr-2'TBDMS-rU]-[3'-p(OMe)-5']-[rU-2'-TIPS-3'-Lev]
    —— 5'-O-(4,4'-dimethoxytrityl)-2'-O-[1-(2-chloroethoxy)ethyl]-2'-C-methyluridine 1146952-00-2 C35H39ClN2O9
    5'-O-(4,4'-dimethoxytrityl)-2'-O-[1-(2-chloroethoxy)ethyl]-2'-C-methyluridine
    —— <5-<sup>14</sup>C>Penta-1,3-diin 51442-78-5 C5H4
    <5-<sup>14</sup>C>Penta-1,3-diin
    —— 5-(1-Methoxy-1-methyl-ethoxy)-1,4,5,6-tetrahydro-2H-benzo[b]azocin-3-one 192187-50-1 C15H21NO3
    5-(1-Methoxy-1-methyl-ethoxy)-1,4,5,6-tetrahydro-2H-benzo[b]azocin-3-one
    —— 5,15-bis{5,15-bis(3,5-di-tert-butylphenyl)-10-phenylporphyrin-20-yl}porphyrin trisNi(II) 1573176-56-3 C128H120N12Ni3
    5,15-bis{5,15-bis(3,5-di-tert-butylphenyl)-10-phenylporphyrin-20-yl}porphyrin trisNi(II)
    —— 5-methoxy-3-(4-methoxyphenyl)-1-(phenylsulfonyl)-1H-indole 1190709-21-7 C22H19NO4S
    5-methoxy-3-(4-methoxyphenyl)-1-(phenylsulfonyl)-1H-indole
    —— 5-chloro-1-(4-methoxyphenyl)-3-(prop-2-ynylamino)pyrazin-2(1H)-one 1415565-65-9 C14H12ClN3O2
    5-chloro-1-(4-methoxyphenyl)-3-(prop-2-ynylamino)pyrazin-2(1H)-one
    —— 5-(2,2-diethoxyethoxy)-2-fluoropyridine 1154579-54-0 C11H16FNO3
    5-(2,2-diethoxyethoxy)-2-fluoropyridine
    —— <5,5'-(1,7-dithia-4,10-diazacyclododecane-4,10-diyl)bis(3-oxapentyl)>bis(diphenylphosphine) 96548-46-8 C40H52N2O2P2S2
    <5,5'-(1,7-dithia-4,10-diazacyclododecane-4,10-diyl)bis(3-oxapentyl)>bis(diphenylphosphine)
    —— 5-[(E)-3-(3,4-Dimethoxy-phenyl)-prop-2-en-(Z)-ylidene]-4-methoxy-5H-furan-2-one 111671-15-9 C16H16O5
    5-[(E)-3-(3,4-Dimethoxy-phenyl)-prop-2-en-(Z)-ylidene]-4-methoxy-5H-furan-2-one
    —— (5R)-2,3,6-tri-O-benzyl-4-deoxy-5-C-methoxy-β-D-glycero-hex-3-enopyranosyl-(1->4)-2,3:5,6-di-O-isopropylidene-aldehydo-D-glucose dimethyl acetal 1159645-82-5 C42H54O12
    (5R)-2,3,6-tri-O-benzyl-4-deoxy-5-C-methoxy-β-D-glycero-hex-3-enopyranosyl-(1->4)-2,3:5,6-di-O-isopropylidene-aldehydo-D-glucose dimethyl acetal
    —— 5-Amino-2'-bromo-1-methyl-4-pyrazolecarboxanilide 87165-01-3 C11H11BrN4O
    5-Amino-2'-bromo-1-methyl-4-pyrazolecarboxanilide
    —— (5R,6R,12R,Z)-6-(tert-butyldimethylsilyloxy)-5-hydroxy-12-methyloxacyclododec-3-en-2-one 1124292-44-9 C18H34O4Si
    (5R,6R,12R,Z)-6-(tert-butyldimethylsilyloxy)-5-hydroxy-12-methyloxacyclododec-3-en-2-one
    —— 5-acetyl-7-(4-bromobenzoyl)- pyrrolo[1,2-b]pyridazine 1236228-76-4 C16H11BrN2O2
    5-acetyl-7-(4-bromobenzoyl)- pyrrolo[1,2-b]pyridazine
    —— 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2',3',4',6',7',8',10',10a'-octahydro-1'H,3H-spiro[benzofuran-2,9'-pyrido[1,2-a]azepine] 1258431-26-3 C23H34BNO3
    5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2',3',4',6',7',8',10',10a'-octahydro-1'H,3H-spiro[benzofuran-2,9'-pyrido[1,2-a]azepine]
    —— (5-(6-(benzo[d]thiazol-6-ylamino)-4-(isopropylamino)pyridin-3-yl)-1,3,4-thiadiazol-2-yl)(3-hydroxypiperidin-1-yl)methanone 1447222-81-2 C23H25N7O2S2
    (5-(6-(benzo[d]thiazol-6-ylamino)-4-(isopropylamino)pyridin-3-yl)-1,3,4-thiadiazol-2-yl)(3-hydroxypiperidin-1-yl)methanone
    —— 5,5-Dimethyl-3-hydroxy-2-cyclohexenon-1-thiosemicarbazon 70093-08-2 C9H15N3OS
    5,5-Dimethyl-3-hydroxy-2-cyclohexenon-1-thiosemicarbazon
    —— 5-fluoro-2-[(4-methoxy-6-methyl-[1,3,5]triazin-2-ylcarbamoyl)-sulfamoyl]-benzoic acid methyl ester 74223-87-3 C14H14FN5O6S
    5-fluoro-2-[(4-methoxy-6-methyl-[1,3,5]triazin-2-ylcarbamoyl)-sulfamoyl]-benzoic acid methyl ester
    —— (5S)-1-bromo-2-(trimethylsilyl)oxy-3-aza-5-(tert-butyldimethylsilyl)oxy-hexa-1,3-diene 269716-29-2 C14H30BrNO2Si2
    (5S)-1-bromo-2-(trimethylsilyl)oxy-3-aza-5-(tert-butyldimethylsilyl)oxy-hexa-1,3-diene
    —— 5-(m-chlorophenyl)-3-(thiomorpholinoethyl)-1,2,4-oxadiazole 1256485-90-1 C14H16ClN3OS
    5-(m-chlorophenyl)-3-(thiomorpholinoethyl)-1,2,4-oxadiazole
    —— 5-acetoxy-3,4-dihydro-2,2-dimethyl-10-propyl-8-oxo-2H,8H-pyrano[2,3-f]chromen-6-methylenediacetate 1604838-67-6 C24H28O9
    5-acetoxy-3,4-dihydro-2,2-dimethyl-10-propyl-8-oxo-2H,8H-pyrano[2,3-f]chromen-6-methylenediacetate
    —— 5-cyclohexylmethyl-2-dimethylcarbamoyl-octahydro-cyclopenta[c]pyrrole-5-carboxylic acid 1175536-20-5 C18H30N2O3
    5-cyclohexylmethyl-2-dimethylcarbamoyl-octahydro-cyclopenta[c]pyrrole-5-carboxylic acid
    —— (5S,7Z,9E)-5-(methoxymethoxy)-11-(tetrahydro-2H-pyran-2-yloxy)undeca-1,7,9-trien-3-ol 1424803-62-2 C19H32O5
    (5S,7Z,9E)-5-(methoxymethoxy)-11-(tetrahydro-2H-pyran-2-yloxy)undeca-1,7,9-trien-3-ol
    —— 5-benzyl-N-(2-(5-chloro-1H-indol-3-yl)ethyl)-4,5-dihydroisoxazole-3-carboxamide 1258502-14-5 C21H20ClN3O2
    5-benzyl-N-(2-(5-chloro-1H-indol-3-yl)ethyl)-4,5-dihydroisoxazole-3-carboxamide
    —— 5β-Pregn-2-en-11α,20β-diol-diacetat 72205-24-4 C25H38O4
    5β-Pregn-2-en-11α,20β-diol-diacetat
    —— 5-<3-(n-butoxy)-4-methoxyphenyl>-3-methyl-2-methylimino-1,3,4-oxadiazole 139488-51-0 C15H21N3O3
    5-<3-(n-butoxy)-4-methoxyphenyl>-3-methyl-2-methylimino-1,3,4-oxadiazole
    —— 5-chloro-3-(2-methoxyphenyl)-3-(4-pyridin-3-yl-piperazin-1-yl)-1,3-dihydro-indol-2-one 1010133-95-5 C24H23ClN4O2
    5-chloro-3-(2-methoxyphenyl)-3-(4-pyridin-3-yl-piperazin-1-yl)-1,3-dihydro-indol-2-one
    —— 5-(Aminomethyl)bicyclo[3.2.2]nonane-1-carboxylic acid hydrochloride 24238-87-7 C11H20ClNO2
    5-(Aminomethyl)bicyclo[3.2.2]nonane-1-carboxylic acid hydrochloride
    —— 5,6-dichloro-1H-indol-3-yl acetate 110062-74-3 C10H7Cl2NO2
    5,6-dichloro-1H-indol-3-yl acetate
    —— 5-allyl-1-(4-chloro-phenyl)-5-[2-(2,4-dinitro-phenylhydrazono)-propyl]-pyrimidine-2,4,6-trione 33193-61-2 C22H19ClN6O7
    5-allyl-1-(4-chloro-phenyl)-5-[2-(2,4-dinitro-phenylhydrazono)-propyl]-pyrimidine-2,4,6-trione
    —— 5'-Oxo-3,3'-dimethyl-4'-(2-benzyloxycarbonylamino-ethyl)-4-(2-carboxy-ethyl)-1',5'-dihydro-dipyrromethen-(2,2') 22748-05-6 C24H27N3O5
    5'-Oxo-3,3'-dimethyl-4'-(2-benzyloxycarbonylamino-ethyl)-4-(2-carboxy-ethyl)-1',5'-dihydro-dipyrromethen-(2,2')
    —— 5-Phenyl-<3-13C>-4-pentinsaeure 79341-41-6 C11H10O2
    5-Phenyl-<3-13C>-4-pentinsaeure
    —— 5-ethyl-N-(4-methylphenyl)-4,5-dihydro-1,3-thiazol-2-amine 137935-29-6 C12H16N2S
    5-ethyl-N-(4-methylphenyl)-4,5-dihydro-1,3-thiazol-2-amine
    —— 5-Chlor-m-phenylen-diisocyanat 76806-39-8 C8H3ClN2O2
    5-Chlor-m-phenylen-diisocyanat
    —— 5-acetyl-4-methyl-thiazol-2-yl 53715-61-0 C6H6NOS
    5-acetyl-4-methyl-thiazol-2-yl
    —— 5.7-Dimethyl-2-<4-(2-naphthyl-(1)-vinyl)phenyl>-benzo<b>furan 22846-36-2 C28H22O
    5.7-Dimethyl-2-<4-(2-naphthyl-(1)-vinyl)phenyl>-benzo<b>furan
    —— 5-(1,1-Dimethyl-butyl)-5-methoxy-5H-furan-2-one 32932-94-8 C11H18O3
    5-(1,1-Dimethyl-butyl)-5-methoxy-5H-furan-2-one
    —— 5-Acetoxy-2',2'-dimethyl-3',4'-dihydropyrano(5',6':6,7)isoflavon 27762-93-2 C22H20O5
    5-Acetoxy-2',2'-dimethyl-3',4'-dihydropyrano(5',6':6,7)isoflavon
    —— 5,15-bis(4'-dimethylaminophenyl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin 101325-66-0 C48H56N6
    5,15-bis(4'-dimethylaminophenyl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin
    —— 5-[1-((E)-3-Acetoxy-hept-1-enyl)-2-oxo-cyclopentyl]-pentanoic acid methyl ester 75266-94-3 C20H32O5
    5-[1-((E)-3-Acetoxy-hept-1-enyl)-2-oxo-cyclopentyl]-pentanoic acid methyl ester