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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-4-nitro-2H-1,2,6-thiadiazine 1,1-dioxide 109854-74-2 C4H5N3O4S
    5-methyl-4-nitro-2H-1,2,6-thiadiazine 1,1-dioxide
    —— 5-(2-butoxy-5-ethynyl-3-pyridinyl)-3-ethyl-2-[2-(4-morpholinyl)ethyl]-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 335077-84-4 C24H30N6O3
    5-(2-butoxy-5-ethynyl-3-pyridinyl)-3-ethyl-2-[2-(4-morpholinyl)ethyl]-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    —— 5-ethyl-4-fluoro-2-methoxyphenylboronic acid 1383676-67-2 C9H12BFO3
    5-ethyl-4-fluoro-2-methoxyphenylboronic acid
    —— 5-[(2-butyn-1-yl{1-[(6-{4-[(methylsulfonyl)amino]phenoxy}-3-pyridinyl)methyl]-4-piperidinyl}-carbamoyl)amino]-2-fluorobenzamide 949884-45-1 C30H33FN6O5S
    5-[(2-butyn-1-yl{1-[(6-{4-[(methylsulfonyl)amino]phenoxy}-3-pyridinyl)methyl]-4-piperidinyl}-carbamoyl)amino]-2-fluorobenzamide
    —— 5-O-mesyl-2,3-O-(methylethylidene)-β-D-ribofuranosyl chloride 162518-81-2 C9H15ClO6S
    5-O-mesyl-2,3-O-(methylethylidene)-β-D-ribofuranosyl chloride
    —— 5,6-diphenyl-1,3-dihydro-imidazo[4,5-<i>b</i>]pyrazin-2-one 66905-32-6 C17H12N4O
    5,6-diphenyl-1,3-dihydro-imidazo[4,5-<i>b</i>]pyrazin-2-one
    —— 5<i>H</i>,5'<i>H</i>-ψ,ψ-carotene-6,6'-dione 124179-47-1 C40H56O2
    5<i>H</i>,5'<i>H</i>-ψ,ψ-carotene-6,6'-dione
    —— 5-Tert-butylpyrimidine-2-carbaldehyde 1400653-59-9 C9H12N2O
    5-Tert-butylpyrimidine-2-carbaldehyde
    —— (5S,6S)-Methyl 6-<(tert-Butoxycarbonyl)amino>-5,7-bis<(tert-butyldimethylsilyl)oxy>-2-heptenoate 130096-81-0 C25H51NO6Si2
    (5S,6S)-Methyl 6-<(tert-Butoxycarbonyl)amino>-5,7-bis<(tert-butyldimethylsilyl)oxy>-2-heptenoate
    —— 5-hexaneyl-4H-thieno[2,3-c]pyrrole-4,6(5H)-dione 1595185-12-8 C12H15NO2S
    5-hexaneyl-4H-thieno[2,3-c]pyrrole-4,6(5H)-dione
    —— 5-oxa-2,8-dithia-(1,9)(3,5)-(1,2,4-triazola)-cyclotridecaphane 1310411-78-9 C12H18N6OS2
    5-oxa-2,8-dithia-(1,9)(3,5)-(1,2,4-triazola)-cyclotridecaphane
    —— 5-Methoxy-2-(3-methoxy-propyl)-6-thia-2-aza-benzo[def]chrysene-1,3-dione 16249-44-8 C23H19NO4S
    5-Methoxy-2-(3-methoxy-propyl)-6-thia-2-aza-benzo[def]chrysene-1,3-dione
    —— 5-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5H-furo[3,2-c]pyridin-4-one 849765-68-0 C12H13NO5
    5-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5H-furo[3,2-c]pyridin-4-one
    —— (5S,6S)-6-((E)-2-{(2R,4R,5R)-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-5-(2,3-dihydroxypropyl)-4-[2-(trityloxy)ethyl]-[1,3]dioxolan-4-yl}vinyl)-5-ethyl-5,6-dihydro-2H-pyran-2-one 521274-42-0 C48H58O8Si
    (5S,6S)-6-((E)-2-{(2R,4R,5R)-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-5-(2,3-dihydroxypropyl)-4-[2-(trityloxy)ethyl]-[1,3]dioxolan-4-yl}vinyl)-5-ethyl-5,6-dihydro-2H-pyran-2-one
    —— 5-methyl-1-phenyl-1H-pyrazole-4-carboxylic acid tert-butyl ester 1337864-11-5 C15H18N2O2
    5-methyl-1-phenyl-1H-pyrazole-4-carboxylic acid tert-butyl ester
    —— 5-isopropyl-5-methyl-3-(2-pyridin-2-yl-ethyl)-oxazolidine-2,4-dione 107518-11-6 C14H18N2O3
    5-isopropyl-5-methyl-3-(2-pyridin-2-yl-ethyl)-oxazolidine-2,4-dione
    —— 5-amino-1-ethyl-3-(4-fluorophenyl)-6-oxo-1,6-dihydro-pyridazine-4-carboxylic acid methyl ester 852617-26-6 C14H14FN3O3
    5-amino-1-ethyl-3-(4-fluorophenyl)-6-oxo-1,6-dihydro-pyridazine-4-carboxylic acid methyl ester
    —— 5-Ethyl-7-butyryl-8-hydroxychinolin 92646-51-0 C15H17NO2
    5-Ethyl-7-butyryl-8-hydroxychinolin
    —— (5S,6R,7R,8aS)-7-Acetoxy-6-methoxy-2-[2-(5-methoxy-1H-indol-3-yl)-butyl]-3-oxo-decahydro-isoquinoline-5-carboxylic acid methyl ester 97354-34-2 C27H36N2O7
    (5S,6R,7R,8aS)-7-Acetoxy-6-methoxy-2-[2-(5-methoxy-1H-indol-3-yl)-butyl]-3-oxo-decahydro-isoquinoline-5-carboxylic acid methyl ester
    —— 5-Bromo-2-(2-methyl-3-trifluoromethyl-phenylamino)-benzoic acid hydrazide 61708-35-8 C15H13BrF3N3O
    5-Bromo-2-(2-methyl-3-trifluoromethyl-phenylamino)-benzoic acid hydrazide
    —— 5-amino-3-morpholin-4-yl-[1,2,4]triazole-1-carboxylic acid allyl-methyl-amide 51493-16-4 C11H18N6O2
    5-amino-3-morpholin-4-yl-[1,2,4]triazole-1-carboxylic acid allyl-methyl-amide
    —— 5'-(4,6-bis-dodecyloxy-[1,3,5]triazin-2-yloxy)-<i>m</i>-terphenyl-2'-ol 62884-25-7 C45H63N3O4
    5'-(4,6-bis-dodecyloxy-[1,3,5]triazin-2-yloxy)-<i>m</i>-terphenyl-2'-ol
    —— 5-bromo-2-ethynyl-1H-indole 1572178-30-3 C10H6BrN
    5-bromo-2-ethynyl-1H-indole
    —— 5-(1-Methyl-4,5-di-p-tolyl-1H-imidazol-2-yl)-thiophene-2-carbaldehyde 335356-30-4 C23H20N2OS
    5-(1-Methyl-4,5-di-p-tolyl-1H-imidazol-2-yl)-thiophene-2-carbaldehyde
    —— 5-(dipropylamino)-4-[(4-methylbenzoyl)amino]-5-oxopentanoic acid 102742-35-8 C19H28N2O4
    5-(dipropylamino)-4-[(4-methylbenzoyl)amino]-5-oxopentanoic acid
    —— (5S,6S)-5,6-Diethyl-1,4-dinitro-cyclohexa-1,3-diene 122834-01-9 C10H14N2O4
    (5S,6S)-5,6-Diethyl-1,4-dinitro-cyclohexa-1,3-diene
    —— 5-{[1-(2-Aminoethyl)-3,5-dicyclopropyl-1H-pyrazol-4-yl]oxy}isophthalonitrile 473921-84-5 C19H19N5O
    5-{[1-(2-Aminoethyl)-3,5-dicyclopropyl-1H-pyrazol-4-yl]oxy}isophthalonitrile
    —— 5-Chloro-2-oxo-oxazolo[4,5-h]quinoline-3-carboxylic acid 2-methoxy-phenyl ester 97000-09-4 C18H11ClN2O5
    5-Chloro-2-oxo-oxazolo[4,5-h]quinoline-3-carboxylic acid 2-methoxy-phenyl ester
    —— (5,6-dihydro-2<i>H</i>-[1,4]thiazin-3-yl)-(3,4,5-trimethoxy-phenyl)-amine 65922-82-9 C13H18N2O3S
    (5,6-dihydro-2<i>H</i>-[1,4]thiazin-3-yl)-(3,4,5-trimethoxy-phenyl)-amine
    —— 5,7-Dihydroxy-3-<2-((ethoxycarbonyl)amino)ethyl>indole 119796-26-8 C13H16N2O4
    5,7-Dihydroxy-3-<2-((ethoxycarbonyl)amino)ethyl>indole
    —— 5,6-dibutoxy-3,4-dihydro-1(2H)-naphthalenone 344449-04-3 C18H26O3
    5,6-dibutoxy-3,4-dihydro-1(2H)-naphthalenone
    —— (+/-)-5β-hydroxy-2β-dimethoxymethyl-3β-tert-butyldimethylsilyloxycyclopentyl-1β-acetic acidlactone 67788-12-9 C16H30O5Si
    (+/-)-5β-hydroxy-2β-dimethoxymethyl-3β-tert-butyldimethylsilyloxycyclopentyl-1β-acetic acidlactone
    —— 5-methyl-2-(methylsulfonyl)pyrimidine-4-carboxylic acid 1803585-17-2 C7H8N2O4S
    5-methyl-2-(methylsulfonyl)pyrimidine-4-carboxylic acid
    —— 5-nitro-1H-indazole-1-spiro-1'-pyrrolidin-3-ylio oxide 150929-32-1 C11H11N3O3
    5-nitro-1H-indazole-1-spiro-1'-pyrrolidin-3-ylio oxide
    —— 5-Formamidino-4-hydrazinocarbonyl-pyrazol 1500-67-0 C5H8N6O
    5-Formamidino-4-hydrazinocarbonyl-pyrazol
    —— 5-((fluorosulfonyl)oxy)isophthalic acid 2901099-48-5 C8H5FO7S
    5-((fluorosulfonyl)oxy)isophthalic acid
    —— 5-(1,1-Bis(3,4-dichlorophenyl)methyl)-2',3',5'-tris-O-((1,1-dimethylethyl)dimethylsilyl)uridine 214481-51-3 C40H60Cl4N2O6Si3
    5-(1,1-Bis(3,4-dichlorophenyl)methyl)-2',3',5'-tris-O-((1,1-dimethylethyl)dimethylsilyl)uridine
    —— 5-methoxy-2-(5-methoxy-benzooxazol-2-ylmethyl)-3-methyl-benzooxazolium 47357-67-5 C18H17N2O4
    5-methoxy-2-(5-methoxy-benzooxazol-2-ylmethyl)-3-methyl-benzooxazolium
    —— 5-methallyl-1-methyl-5-pent-2-ynyl-barbituric acid 100723-17-9 C14H18N2O3
    5-methallyl-1-methyl-5-pent-2-ynyl-barbituric acid
    —— 5,5'-dimethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-(1-methyl-ethene-1,2-diyl)-bis-benzoimidazole 98783-05-2 C19H18N4
    5,5'-dimethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-(1-methyl-ethene-1,2-diyl)-bis-benzoimidazole
    —— 5-(3-(4-ethoxyphenyl)-10-butyl-10H-phenothiazin-7-yl)furan-2-carbaldehyde 1564287-92-8 C29H27NO4
    5-(3-(4-ethoxyphenyl)-10-butyl-10H-phenothiazin-7-yl)furan-2-carbaldehyde
    —— 5-acetylamino-2-(3-chloro-phenyl)-pyrimidine-4-carboxylic acid 3-diethylamino-propylamide 28656-66-8 C20H26ClN5O2
    5-acetylamino-2-(3-chloro-phenyl)-pyrimidine-4-carboxylic acid 3-diethylamino-propylamide
    —— 5-dimethylamino-2-isopropyl-9-trifluoromethyl-benzo[<i>e</i>]pyrazolo[1,2-<i>a</i>][1,2,4]triazine-1,3-dione 29102-89-4 C16H17F3N4O2
    5-dimethylamino-2-isopropyl-9-trifluoromethyl-benzo[<i>e</i>]pyrazolo[1,2-<i>a</i>][1,2,4]triazine-1,3-dione
    —— 5(4)-Phenyl-2-(α-thienyl)-5(4)-p-tolylimidazol 33705-71-4 C20H16N2S
    5(4)-Phenyl-2-(α-thienyl)-5(4)-p-tolylimidazol
    —— (5-oxo-4-oxa-5-homoadamantane-1-yl)oxymethylchloride 1338917-13-7 C11H15ClO3
    (5-oxo-4-oxa-5-homoadamantane-1-yl)oxymethylchloride
    —— (5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime 1575700-26-3 C31H53NO
    (5R,10S,13R,14R,17R,E)-4,4,10,13,14-pentamethyl-17-[(R)-6-methylheptan-2-yl]-4,5,6,7,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one O-methyl oxime
    —— 5-Bromo-2-(4-hydroxycyclohexyl)isoindole-1,3-dione 1291865-63-8 C14H14BrNO3
    5-Bromo-2-(4-hydroxycyclohexyl)isoindole-1,3-dione
    —— 5-(2-oxo-oxazolidin-3-yl)-isophthalic acid dimethyl ester 1221400-20-9 C13H13NO6
    5-(2-oxo-oxazolidin-3-yl)-isophthalic acid dimethyl ester
    —— 5,6,7,8,10,11,12,13-octahydro-19H-dibenzo<d,o><1,3,10,7,13>-trioxadiazacyclohexadecine 115261-52-4 C19H24N2O3
    5,6,7,8,10,11,12,13-octahydro-19H-dibenzo<d,o><1,3,10,7,13>-trioxadiazacyclohexadecine
    —— (5R,8S,3′S,5′R)-3′-hydroxy-5,6-dihydro-5,8-epoxy-β,κ-caroten-6′-one 1425487-61-1 C40H56O3
    (5R,8S,3′S,5′R)-3′-hydroxy-5,6-dihydro-5,8-epoxy-β,κ-caroten-6′-one