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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(2-hydroxyphenyl)-2-methylfuran-3-carboxylic acid 1334598-69-4 C12H10O4
    5-(2-hydroxyphenyl)-2-methylfuran-3-carboxylic acid
    —— 5-(2-morpholin-4-ylethyl)pyridin-2-amine 1088500-60-0 C11H17N3O
    5-(2-morpholin-4-ylethyl)pyridin-2-amine
    —— 5'-O-tritylthymidine 3'-O(5'-O-thymidylyl)methylphosphonothioate 99468-01-6 C40H43N4O10PS
    5'-O-tritylthymidine 3'-O(5'-O-thymidylyl)methylphosphonothioate
    —— 5,5-Dimethyl-4-(5-methyl-thiophen-2-yl)-3-oxy-2-phenyl-2,5-dihydro-imidazol-1-ol 122509-34-6 C16H18N2O2S
    5,5-Dimethyl-4-(5-methyl-thiophen-2-yl)-3-oxy-2-phenyl-2,5-dihydro-imidazol-1-ol
    —— 5-[4-(5-hydroxypentyloxy)phenyl]-2-octylpyrimidine 1261029-25-7 C23H34N2O2
    5-[4-(5-hydroxypentyloxy)phenyl]-2-octylpyrimidine
    —— (5-methyl-7-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-<i>a</i>]pyrimidin-3-ylmercapto)-acetic acid 109444-50-0 C8H8N4O3S
    (5-methyl-7-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-<i>a</i>]pyrimidin-3-ylmercapto)-acetic acid
    —— 5-(4-azidobenzoylamino)isophthalic acid dimethyl ester 1421318-26-4 C17H14N4O5
    5-(4-azidobenzoylamino)isophthalic acid dimethyl ester
    —— 5,5-dimethyl-1-(prop-2-enyl)-1H-pyrrol-2(5H)-one 143359-77-7 C9H13NO
    5,5-dimethyl-1-(prop-2-enyl)-1H-pyrrol-2(5H)-one
    —— 5-(5,5-Dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-2-methyl-2H-pyridazin-3-one 76185-44-9 C10H15N2O4PS
    5-(5,5-Dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-2-methyl-2H-pyridazin-3-one
    —— 5-[(3-cyanophenyl)oxy]pentanoic acid 1038972-84-7 C12H13NO3
    5-[(3-cyanophenyl)oxy]pentanoic acid
    —— 5-Decyl-p-toluolsulfonat 20924-19-0 C17H28O3S
    5-Decyl-p-toluolsulfonat
    —— 5,6-Diamino-2-(benzylamino)pyrimidin-4(1H)-one 61693-27-4 C11H13N5O
    5,6-Diamino-2-(benzylamino)pyrimidin-4(1H)-one
    —— 5,6-I2-2,4-dicarba-closo-heptaborane 98821-60-4 C2H5B5I2
    5,6-I2-2,4-dicarba-closo-heptaborane
    —— 5-fluoro-4-imino-N-(4-methoxyphenyl)-3-methyl-2-oxopyrimidine-1-carboxamide 1616685-09-6 C13H13FN4O3
    5-fluoro-4-imino-N-(4-methoxyphenyl)-3-methyl-2-oxopyrimidine-1-carboxamide
    —— 5-chloro-6-iodo-1H-pyrrolo[2,3-b]pyridin-4-ol 1305324-65-5 C7H4ClIN2O
    5-chloro-6-iodo-1H-pyrrolo[2,3-b]pyridin-4-ol
    —— 5-(5-cyclohexyl-2-methylbenzyl)-N-(2,4,6-trimethoxyphenyl)-2-furamide 263849-97-4 C28H33NO5
    5-(5-cyclohexyl-2-methylbenzyl)-N-(2,4,6-trimethoxyphenyl)-2-furamide
    —— 5-phenylamino-1-(1-phenylethyl)-1,3-dihydro-2H-benzimidazol-2-one 1073624-89-1 C21H19N3O
    5-phenylamino-1-(1-phenylethyl)-1,3-dihydro-2H-benzimidazol-2-one
    —— 5-[(2-butyn-1-yl{1-[(6-{4-[(3-hydroxy-1-azetidinyl)sulfonyl]phenoxy}-2-isopropyl-3-pyridinyl)methyl]-4-piperidinyl}carbamoyl)amino]-2,4-difluorobenzamide 949885-58-9 C35H40F2N6O6S
    5-[(2-butyn-1-yl{1-[(6-{4-[(3-hydroxy-1-azetidinyl)sulfonyl]phenoxy}-2-isopropyl-3-pyridinyl)methyl]-4-piperidinyl}carbamoyl)amino]-2,4-difluorobenzamide
    —— 5-aminopentyl 2,3,4,6-tetra-O-[8-[bis-(3-N,N'-di-Boc-guanidinopropyl)amino]octanoyl]-β-D-allopyranoside 1355332-02-3 C155H283N29O42
    5-aminopentyl 2,3,4,6-tetra-O-[8-[bis-(3-N,N'-di-Boc-guanidinopropyl)amino]octanoyl]-β-D-allopyranoside
    —— 5-(2-pyridyl)-3-(2,4,6-triisopropylphenyl)-2H-pyrazole 1632164-65-8 C23H29N3
    5-(2-pyridyl)-3-(2,4,6-triisopropylphenyl)-2H-pyrazole
    —— 5-carboxy-1-dodecyl-2,3,3-trimethyl-3H-indol-1-ium iodide 1269474-06-7 C24H38NO2*I
    5-carboxy-1-dodecyl-2,3,3-trimethyl-3H-indol-1-ium iodide
    —— 5-phenyl-6-(m-tolyl)-3,4-dihydro-2H-pyran 1607454-68-1 C18H18O
    5-phenyl-6-(m-tolyl)-3,4-dihydro-2H-pyran
    —— 5-tert-Butyl-2-methyl-2-phenyl-cycloheptanone 92514-22-2 C18H26O
    5-tert-Butyl-2-methyl-2-phenyl-cycloheptanone
    —— 5-(6-methoxynaphthalen-2-yl)pent-4-ynoic acid methyl ester 1061175-80-1 C17H16O3
    5-(6-methoxynaphthalen-2-yl)pent-4-ynoic acid methyl ester
    —— 5-hydroxy-2-thio-barbituric acid 98020-42-9 C4H4N2O3S
    5-hydroxy-2-thio-barbituric acid
    —— 5-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2,6-difluorophenyl]-N-(1,3-thiazol-2-yl)-1,2,5-triazepane-1-carboxamide 952151-18-7 C20H23F2N7O4S
    5-[4-[(5S)-5-(acetamidomethyl)-2-oxo-1,3-oxazolidin-3-yl]-2,6-difluorophenyl]-N-(1,3-thiazol-2-yl)-1,2,5-triazepane-1-carboxamide
    —— 5,7-dimethoxymethoxy-3'-bromo-8-(3,3-dimethylallyl)-flavanone 1075171-42-4 C24H27BrO6
    5,7-dimethoxymethoxy-3'-bromo-8-(3,3-dimethylallyl)-flavanone
    —— 5-(4-N,N-Dimethylaminophenyl)penta-2,4-dienol 113538-99-1 C13H17NO
    5-(4-N,N-Dimethylaminophenyl)penta-2,4-dienol
    —— 5,10,15,20-tetra-2,4-dichlorophenylsapphyrin 1435465-08-9 C48H25Cl8N5
    5,10,15,20-tetra-2,4-dichlorophenylsapphyrin
    —— 5-(5-fluoro-2-methylphenylaminomethyl)-6-(2-methoxy-4-methylsulfonyloxyphenyl)-2,2,4-trimethyl-1,2-dihydroquinoline 1026777-89-8 C28H31FN2O4S
    5-(5-fluoro-2-methylphenylaminomethyl)-6-(2-methoxy-4-methylsulfonyloxyphenyl)-2,2,4-trimethyl-1,2-dihydroquinoline
    —— 5-pentyl-3-[4-(2'-cyanophenyl)benzyl]mercapto-1,2,4-triazole 147778-25-4 C21H22N4S
    5-pentyl-3-[4-(2'-cyanophenyl)benzyl]mercapto-1,2,4-triazole
    —— 5-Oxo-2-(pyridin-4-ylsulfanylmethyl)-4-(2-trifluoromethyl-phenyl)-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylic acid ethyl ester 120658-27-7 C25H23F3N2O3S
    5-Oxo-2-(pyridin-4-ylsulfanylmethyl)-4-(2-trifluoromethyl-phenyl)-1,4,5,6,7,8-hexahydro-quinoline-3-carboxylic acid ethyl ester
    —— 5-(4-Chlorophenyl)3,4-dihydro-2-methylpyrimidin 26486-85-1 C11H11ClN2
    5-(4-Chlorophenyl)3,4-dihydro-2-methylpyrimidin
    —— 5-benzyl-2-methyl-7-p-tolyl-3,5-dihydro-2H-furo[3,2-c]pyridin-4-one 1350743-56-4 C22H21NO2
    5-benzyl-2-methyl-7-p-tolyl-3,5-dihydro-2H-furo[3,2-c]pyridin-4-one
    —— 5-(4-Methoxy-benzyloxy)-5-methyl-hexane-1,2-diol 193697-89-1 C15H24O4
    5-(4-Methoxy-benzyloxy)-5-methyl-hexane-1,2-diol
    —— 5-(2,4-dioxo-4-phenylbutyl)-3-hydroxyisoxazole 87318-67-0 C13H11NO4
    5-(2,4-dioxo-4-phenylbutyl)-3-hydroxyisoxazole
    —— (5-biphenyl-4-ylethynyl-6-chloro-1H-benzoimidazol-2-yl-sulfanyl)-acetic acid 1224840-41-8 C23H15ClN2O2S
    (5-biphenyl-4-ylethynyl-6-chloro-1H-benzoimidazol-2-yl-sulfanyl)-acetic acid
    —— 5-cyclohexyl-N-(2-cyclopropyl-thiazol-4-ylmethyl)-6-(2,2,2-trifluoro-ethoxy)-nicotinamide 1426998-51-7 C21H24F3N3O2S
    5-cyclohexyl-N-(2-cyclopropyl-thiazol-4-ylmethyl)-6-(2,2,2-trifluoro-ethoxy)-nicotinamide
    —— 5-ethyl-4-hydroxy-6-[3-methyl-4-(piperidin-1-yl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426661-45-1 C20H24N2O4
    5-ethyl-4-hydroxy-6-[3-methyl-4-(piperidin-1-yl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 5-ethoxycarbonyl-4-methyl-1,2,3-selenadiazole phenyldichloroborane complex 1047719-65-2 C12H13BCl2N2O2Se
    5-ethoxycarbonyl-4-methyl-1,2,3-selenadiazole phenyldichloroborane complex
    —— 5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid butyl ester 40764-71-4 C10H16N4O3S
    5-(3,3-dimethyl-ureido)-[1,2,3]thiadiazole-4-carboxylic acid butyl ester
    —— 5-Pivaloylamino-2-(4-thiazolyl)-benzimidazol 27216-93-9 C15H16N4OS
    5-Pivaloylamino-2-(4-thiazolyl)-benzimidazol
    —— 5-(8,9-Dimethoxy-5,6-dihydroimidazo[5,1-a]isoquinolin-1-yl)-2,4-dimethyl-1,3-thiazole 1262151-93-8 C18H19N3O2S
    5-(8,9-Dimethoxy-5,6-dihydroimidazo[5,1-a]isoquinolin-1-yl)-2,4-dimethyl-1,3-thiazole
    —— 5-(carboxymethyl-nitroso-amino)-pentanoic acid 42142-80-3 C7H12N2O5
    5-(carboxymethyl-nitroso-amino)-pentanoic acid
    —— 5-benzoyl-3-phenyl-4-thio-hydantoic acid 131975-97-8 C16H14N2O3S
    5-benzoyl-3-phenyl-4-thio-hydantoic acid
    —— 5-(1-Aminopropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 77570-18-4 C9H13NO4
    5-(1-Aminopropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-(7-Hydroxy-2-oxo-2H-chromene-3-carboxamido)pentanoic acid 1267539-46-7 C15H15NO6
    5-(7-Hydroxy-2-oxo-2H-chromene-3-carboxamido)pentanoic acid
    —— 5-ethyl-2-(3-hydroxy-1-oxoinden-2-yl)thieno[2,3-b]thiophene 909130-47-8 C17H12O2S2
    5-ethyl-2-(3-hydroxy-1-oxoinden-2-yl)thieno[2,3-b]thiophene
    —— (+/-)-5-isobutyl-3-(4-phenylazo-phenyl)-2-thioxo-imidazolidin-4-one 70172-75-7 C19H20N4OS
    (+/-)-5-isobutyl-3-(4-phenylazo-phenyl)-2-thioxo-imidazolidin-4-one
    —— 5-{3-Bromo-4-(methylsulfonyl)phenyl}-2,2-dimethyl-4-(4-fluorophenyl)-3(2H)-furanone 301697-66-5 C19H16BrFO4S
    5-{3-Bromo-4-(methylsulfonyl)phenyl}-2,2-dimethyl-4-(4-fluorophenyl)-3(2H)-furanone