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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-chloro-6-nitro-2,4-(1H,3H)-quinazolinedione 78754-82-2 C8H4ClN3O4
    5-chloro-6-nitro-2,4-(1H,3H)-quinazolinedione
    —— 5-acetyl-13-cyclohexyl-6,7-dihydro-5H-benzo[5,6][1,4]diazepino[7,1-a]indole-10-carboxylic acid methyl ester 917364-89-7 C26H28N2O3
    5-acetyl-13-cyclohexyl-6,7-dihydro-5H-benzo[5,6][1,4]diazepino[7,1-a]indole-10-carboxylic acid methyl ester
    —— 5-[3-(tert-Butyldisulfanyl)prop-1-yn-1-yl]-2'-deoxyuridine 725735-91-1 C16H22N2O5S2
    5-[3-(tert-Butyldisulfanyl)prop-1-yn-1-yl]-2'-deoxyuridine
    —— 5-[(biphenyl-4-yloxy)methyl]-2-[1-(4-isobutylphenyl)ethyl]-1,3,4-oxadiazole 1104067-73-3 C27H28N2O2
    5-[(biphenyl-4-yloxy)methyl]-2-[1-(4-isobutylphenyl)ethyl]-1,3,4-oxadiazole
    —— (5S,7S)-7-formyloxy-2,2-bis(trifluoromethyl)-1-aza-3-oxabicyclo<4.3.0>nonan-4-one 166042-98-4 C10H9F6NO4
    (5S,7S)-7-formyloxy-2,2-bis(trifluoromethyl)-1-aza-3-oxabicyclo<4.3.0>nonan-4-one
    —— 5-formylamino-1<i>H</i>-pyrimidine-2,4-dione 4370-06-3 C5H5N3O3
    5-formylamino-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-(3-N,N-dimethylaminomethyl-7-methylimidazo<1,2-a>pyridin-2-yl)-3-methyl-2-oxobenzothiazolidine 94703-97-6 C19H20N4OS
    5-(3-N,N-dimethylaminomethyl-7-methylimidazo<1,2-a>pyridin-2-yl)-3-methyl-2-oxobenzothiazolidine
    —— 5-Bromoacetyl-3-methyl-2-benzothiazolinone 94662-42-7 C10H8BrNO2S
    5-Bromoacetyl-3-methyl-2-benzothiazolinone
    —— 5,5-Dimethyl-3-hydroxy-2-propionylcyclohex-2-en-1-one 204777-73-1 C11H16O3
    5,5-Dimethyl-3-hydroxy-2-propionylcyclohex-2-en-1-one
    —— 5,7-dimethyl-2-<i>m</i>-tolyl-2<i>H</i>,5<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-3,6,8-trione 65172-74-9 C14H13N5O3
    5,7-dimethyl-2-<i>m</i>-tolyl-2<i>H</i>,5<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-3,6,8-trione
    —— 5-[(2,5-difluorophenyl)[(4-fluorophenyl)sulfonyl]methyl]-4-methylpyridine-2-carboxamide 913090-54-7 C20H15F3N2O3S
    5-[(2,5-difluorophenyl)[(4-fluorophenyl)sulfonyl]methyl]-4-methylpyridine-2-carboxamide
    —— 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol 170940-12-2 C54H54N2O4
    5,17-Di-tert-butyl-11,23-bis(cyanomethyl)-25,27-bis(benzyloxy)calix<4>arene-26,28-diol
    —— 5-(4-chlorophenyl)-6-chloro-3-(1-BOC-2-(R)-pyrrolidinylmethoxy)pyridine 191162-54-6 C21H24Cl2N2O3
    5-(4-chlorophenyl)-6-chloro-3-(1-BOC-2-(R)-pyrrolidinylmethoxy)pyridine
    —— (5R*)-4-benzoyl-1,5-dihydro-3-hydroxy-5-(2-oxocyclopentyl)-2H-pyrrol-2-one 60769-96-2 C25H23NO6
    (5R*)-4-benzoyl-1,5-dihydro-3-hydroxy-5-(2-oxocyclopentyl)-2H-pyrrol-2-one
    —— 5,17-bis(cyanomethyl)calix<4>25,26,27,28-tetrol 170940-16-6 C32H26N2O4
    5,17-bis(cyanomethyl)calix<4>25,26,27,28-tetrol
    —— 5,17-Di-tert-butyl-11,23-bis(cyanomethyl)calix[4]arene-25,26,27,28-tetrol 170940-14-4 C40H42N2O4
    5,17-Di-tert-butyl-11,23-bis(cyanomethyl)calix[4]arene-25,26,27,28-tetrol
    —— 5-(2-chlorophenyl)dihydrofuran-2(3H)-one 1270584-85-4 C10H9ClO2
    5-(2-chlorophenyl)dihydrofuran-2(3H)-one
    —— 5-phenyl-3,4-dimethoxycarbonyl-1H-pyrazole 56426-36-9 C13H12N2O4
    5-phenyl-3,4-dimethoxycarbonyl-1H-pyrazole
    —— (5S)-3-chloromethyl-5-penyl-2(5H)-furanone 1083056-20-5 C10H15ClO2
    (5S)-3-chloromethyl-5-penyl-2(5H)-furanone
    —— [(5-cyano-4-phenyl-2,3'-bipyridin-6-yl)thio]acetic acid 1217538-77-6 C19H13N3O2S
    [(5-cyano-4-phenyl-2,3'-bipyridin-6-yl)thio]acetic acid
    —— [(5-cyano-4-phenyl-2,3'-bipyridin-6-yl)thio]acetamide 1217538-75-4 C19H14N4OS
    [(5-cyano-4-phenyl-2,3'-bipyridin-6-yl)thio]acetamide
    —— 5H,7H-5-phenyldihydrothieno<3,4-d>pyrimidine-2,4-dione 170158-95-9 C12H10N2O2S
    5H,7H-5-phenyldihydrothieno<3,4-d>pyrimidine-2,4-dione
    —— 5-(N-acetylanilino)methylpyrazine-2,3-dicarbonitrile 142312-10-5 C15H11N5O
    5-(N-acetylanilino)methylpyrazine-2,3-dicarbonitrile
    —— 5-chloro-3,3,5-trimethyl-hex-1-ene 69078-25-7 C9H17Cl
    5-chloro-3,3,5-trimethyl-hex-1-ene
    —— [(5-tBuC6H3-2-OH)CH2(μ-NC4H8N)CH2(5-tBuC6H3-2-OH)] 24773-83-9 C26H38N2O2
    [(5-tBuC6H3-2-OH)CH2(μ-NC4H8N)CH2(5-tBuC6H3-2-OH)]
    —— [5-(1-Oxopentyl)-2-thienylthio]-acetic Acid 58386-16-6 C11H14O3S2
    [5-(1-Oxopentyl)-2-thienylthio]-acetic Acid
    —— (5S)-3-chloromethyl-5-hexyl-2(5H)-furanone 1083056-18-1 C11H17ClO2
    (5S)-3-chloromethyl-5-hexyl-2(5H)-furanone
    —— (5R)-3-chloromethyl-5-hexyl-2(5H)-furanone 1083056-17-0 C11H17ClO2
    (5R)-3-chloromethyl-5-hexyl-2(5H)-furanone
    —— 5-(4-Methylphenyl)-4,5-dihydro-2H-1,3-dioxepine 160093-13-0 C12H14O2
    5-(4-Methylphenyl)-4,5-dihydro-2H-1,3-dioxepine
    —— 5-(4-methoxyphenyl)-4-phenyl-1-[2-(phenylselanyl)phenyl]-1H-1,2,3-triazole 1337553-43-1 C27H21N3OSe
    5-(4-methoxyphenyl)-4-phenyl-1-[2-(phenylselanyl)phenyl]-1H-1,2,3-triazole
    —— 5-fluoro-6-hydroxy-5,6-dihydrouracil-5-carboxamide 65906-13-0 C5H6FN3O4
    5-fluoro-6-hydroxy-5,6-dihydrouracil-5-carboxamide
    —— 5-(2-chloroquinolin-3-yl)-1,3,5,6,8-pentahydro-pyrimido[4,5-d]pyrimidine-2,4,7-trione 946425-39-4 C15H10ClN5O3
    5-(2-chloroquinolin-3-yl)-1,3,5,6,8-pentahydro-pyrimido[4,5-d]pyrimidine-2,4,7-trione
    —— 5',6'-dihydroestra-1,3,5(10)-trieno<3,4-b>-1',4'-dioxin-17β-ol 123764-05-6 C20H26O3
    5',6'-dihydroestra-1,3,5(10)-trieno<3,4-b>-1',4'-dioxin-17β-ol
    —— 5-Methoxy-3-[4-(2-methyl-1,3-dioxolan-2-yl)-3-oxobutyl]-2-(2-oxopropyl)naphthalene-1,4-dione 188398-31-4 C22H24O7
    5-Methoxy-3-[4-(2-methyl-1,3-dioxolan-2-yl)-3-oxobutyl]-2-(2-oxopropyl)naphthalene-1,4-dione
    —— 5-Methoxy-3-[4-(2-methyl-1,3-dioxolan-2-yl)-3-oxobutyl]-2-(2-methylprop-2-enyl)naphthalene-1,4-dione 188398-28-9 C23H26O6
    5-Methoxy-3-[4-(2-methyl-1,3-dioxolan-2-yl)-3-oxobutyl]-2-(2-methylprop-2-enyl)naphthalene-1,4-dione
    —— 5-benzoyl-4-(4'-hydroxyphenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one 107520-14-9 C18H16N2O3
    5-benzoyl-4-(4'-hydroxyphenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one
    —— 5-(Spiro<4.4>non-3-en-1-yl)-2-cyclopenten-1-on 110743-75-4 C14H18O
    5-(Spiro<4.4>non-3-en-1-yl)-2-cyclopenten-1-on
    —— 5-<<N'-benzoyl(thiocarbamoyl)>amino>-1-propyl-1H-imidazole-4-carboxamide 131490-65-8 C15H17N5O2S
    5-<<N'-benzoyl(thiocarbamoyl)>amino>-1-propyl-1H-imidazole-4-carboxamide
    —— 5-(2,9-diaza-spiro[5.5]undec-9-yl)-6-methyl-3-(3-trifluoromethoxy-phenyl)-7,8-dihydro-6H-9-oxa-1,2,3a,4,6-pentaaza-cyclopenta[a]naphthalene 1313802-11-7 C24H28F3N7O2
    5-(2,9-diaza-spiro[5.5]undec-9-yl)-6-methyl-3-(3-trifluoromethoxy-phenyl)-7,8-dihydro-6H-9-oxa-1,2,3a,4,6-pentaaza-cyclopenta[a]naphthalene
    —— 5-[3,5-bis[[(12aS)-8-methoxy-6-oxo-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-9-yl]oxymethyl]phenoxy]-N-[2-(methyldisulfanyl)ethyl]pentanamide 1239586-58-3 C50H49N5O8S2
    5-[3,5-bis[[(12aS)-8-methoxy-6-oxo-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-9-yl]oxymethyl]phenoxy]-N-[2-(methyldisulfanyl)ethyl]pentanamide
    —— 5-[[4-[2-(4,6-Dimethylpyridin-2-yl)ethoxy]phenyl]methyl]-2-imino-1,3-thiazolidin-4-one 127676-26-0 C19H21N3O2S
    5-[[4-[2-(4,6-Dimethylpyridin-2-yl)ethoxy]phenyl]methyl]-2-imino-1,3-thiazolidin-4-one
    —— 5-amino-2-{[1-(trans-4-hydroxycyclohexyl)-1H-imidazol-4-yl]methyl}valeric acid 1335138-53-8 C15H25N3O3
    5-amino-2-{[1-(trans-4-hydroxycyclohexyl)-1H-imidazol-4-yl]methyl}valeric acid
    —— 5-chloro-2-methyl-(3-methyl)thio-2(1H)-pyrazinone 107363-46-2 C6H7ClN2OS
    5-chloro-2-methyl-(3-methyl)thio-2(1H)-pyrazinone
    —— 5-(1'-methylethylidene)cyclohepta-1,3,6-trien-1-ol 98752-48-8 C10H12O
    5-(1'-methylethylidene)cyclohepta-1,3,6-trien-1-ol
    —— 5-Chloro-3-[5-(4-methoxyphenyl)-3-methylpyrazol-1-yl]-1-methylpyrazin-2-one 98078-22-9 C16H15ClN4O2
    5-Chloro-3-[5-(4-methoxyphenyl)-3-methylpyrazol-1-yl]-1-methylpyrazin-2-one
    —— 5-chloro-3-mercapto-1-methyl-2(1H)-pyrazinone 107363-44-0 C5H5ClN2OS
    5-chloro-3-mercapto-1-methyl-2(1H)-pyrazinone
    —— 5-chloro-1-methyl-3-sulphonamido-2(1H)-pyrazinone 107363-48-4 C5H6ClN3O3S
    5-chloro-1-methyl-3-sulphonamido-2(1H)-pyrazinone
    —— 5-Chloro-3-[5-(4-chlorophenyl)-3-methylpyrazol-1-yl]-1-methylpyrazin-2-one 98078-20-7 C15H12Cl2N4O
    5-Chloro-3-[5-(4-chlorophenyl)-3-methylpyrazol-1-yl]-1-methylpyrazin-2-one
    —— 5-Chloro-3-methoxy-1-methyl-2(1H)-pyrazinone 87486-40-6 C6H7ClN2O2
    5-Chloro-3-methoxy-1-methyl-2(1H)-pyrazinone
    —— 5-chloro-3-hydrazino-1-methylpyrazin-2(1H)-one 98078-35-4 C5H7ClN4O
    5-chloro-3-hydrazino-1-methylpyrazin-2(1H)-one