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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-ethoxy-2,2,4,6,6-pentaethyl-cyclohex-4-ene-1,3-dione 793-45-3 C18H30O3
    5-ethoxy-2,2,4,6,6-pentaethyl-cyclohex-4-ene-1,3-dione
    —— 5-(2,2,6,6-tetramethyl-N-oxyl-4-piperidyl)-3-penten-2-one 108320-31-6 C14H24NO2
    5-(2,2,6,6-tetramethyl-N-oxyl-4-piperidyl)-3-penten-2-one
    —— 5-O-Benzyl-1,2-dideoxy-7-O-p-toluenesulfonyl-D-manno-hept-1-enitol 141410-36-8 C21H26O7S
    5-O-Benzyl-1,2-dideoxy-7-O-p-toluenesulfonyl-D-manno-hept-1-enitol
    —— 5-[(2S,4S)-(benzoyloxymethyl)-1,3-dioxolan-4-yl]-3-ethoxycarbonyl-1,2,4-triazole 240125-27-3 C16H17N3O6
    5-[(2S,4S)-(benzoyloxymethyl)-1,3-dioxolan-4-yl]-3-ethoxycarbonyl-1,2,4-triazole
    —— 5,8-dimethyl-1-phenyl-3,4-dihydro-2H-naphthalen-1-ol 80710-74-3 C18H20O
    5,8-dimethyl-1-phenyl-3,4-dihydro-2H-naphthalen-1-ol
    —— 5,7-diacetoxy-3-(2,4-dimethoxy-phenyl)-2-methyl-chromen-4-one 38987-07-4 C22H20O8
    5,7-diacetoxy-3-(2,4-dimethoxy-phenyl)-2-methyl-chromen-4-one
    —— 5-Butyl-N-t-butyl-1-[(2'-cyanobiphenyl-4-yl)methyl]pyrazole-3-carboxamide 134401-52-8 C26H30N4O
    5-Butyl-N-t-butyl-1-[(2'-cyanobiphenyl-4-yl)methyl]pyrazole-3-carboxamide
    —— 5-amino-6-chloro-3,4-dihydro-N-[1[(tetrahydro-2-furanyl)methyl]-4-piperidinyl]-2H-1-benzopyran-8-carboxamide 137210-61-8 C20H28ClN3O3
    5-amino-6-chloro-3,4-dihydro-N-[1[(tetrahydro-2-furanyl)methyl]-4-piperidinyl]-2H-1-benzopyran-8-carboxamide
    —— (5<i>R</i>)-3-[(<i>Z</i>)-2-(3-hydroxy-propoxy)-ethylidene]-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester 103198-13-6 C18H21NO6
    (5<i>R</i>)-3-[(<i>Z</i>)-2-(3-hydroxy-propoxy)-ethylidene]-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester
    —— 5-Butyl-N-(α-carboxybenzyl)-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]pyrazole-3-carboxamide 134401-92-6 C30H29N7O3
    5-Butyl-N-(α-carboxybenzyl)-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]pyrazole-3-carboxamide
    —— 5-Phenyl-undecansaeure 128596-04-3 C17H26O2
    5-Phenyl-undecansaeure
    —— 5-chloro-2-[(2S)-1-(2-fluoro-7H-purin-6-yl)pyrrolidin-2-yl]-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4-one 1549735-48-9 C21H16ClFN8O
    5-chloro-2-[(2S)-1-(2-fluoro-7H-purin-6-yl)pyrrolidin-2-yl]-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4-one
    —— 5-(benzo[d][1,3]dioxol-5-ylmethyl)-2,2-dimethyl-1,3-dioxane-4,6-dione 1094201-86-1 C14H14O6
    5-(benzo[d][1,3]dioxol-5-ylmethyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5,6-dimethyl-9-methylsulfoxyl-1-[4'-(3-methylsulfoxyl)phenyl]-6H-pyrido[4,3-b]carbazole 1309760-66-4 C25H22N2O6S2
    5,6-dimethyl-9-methylsulfoxyl-1-[4'-(3-methylsulfoxyl)phenyl]-6H-pyrido[4,3-b]carbazole
    —— 5-[2-(4-fluorophenyl)-2H-pyrazol-3-yl]-3-p-tolylbenzo[c]isoxazole 1539280-55-1 C23H16FN3O
    5-[2-(4-fluorophenyl)-2H-pyrazol-3-yl]-3-p-tolylbenzo[c]isoxazole
    —— 5-(4-benzyloxyphenyl)-8,8-dimethyl-7,8-dihydro-2-naphthalenecarbaldehyde 692277-98-8 C26H24O2
    5-(4-benzyloxyphenyl)-8,8-dimethyl-7,8-dihydro-2-naphthalenecarbaldehyde
    —— 5-[4-[2-[1-(5-Chloropyrimidin-2-yl)piperidin-4-yl]oxy-1,3-benzothiazol-6-yl]piperazin-1-yl]sulfonyl-2-methylpentan-2-ol 1346625-38-4 C26H35ClN6O4S2
    5-[4-[2-[1-(5-Chloropyrimidin-2-yl)piperidin-4-yl]oxy-1,3-benzothiazol-6-yl]piperazin-1-yl]sulfonyl-2-methylpentan-2-ol
    —— 5-(benzoyloxytriisopropylsilylmethyl)-3-acetyl-2-methylfuran 1438241-45-2 C24H34O4Si
    5-(benzoyloxytriisopropylsilylmethyl)-3-acetyl-2-methylfuran
    —— 5-ethyl-6-(4-methoxy-2-methylphenyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426659-70-2 C16H17NO4
    5-ethyl-6-(4-methoxy-2-methylphenyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— <5,6-(13)C2>-averufin 89198-39-0 C20H16O7
    <5,6-(13)C2>-averufin
    —— 5,6,8,9-Tetracyano-14,17-dimethoxy<3.3>paracyclophane 105537-22-2 C24H20N4O2
    5,6,8,9-Tetracyano-14,17-dimethoxy<3.3>paracyclophane
    —— 5-(3,4-dimethoxyphenyl)-4-(2-methyl-1H-indol-5-ylamino)-6-methylnicotinonitrile 1160849-40-0 C24H22N4O2
    5-(3,4-dimethoxyphenyl)-4-(2-methyl-1H-indol-5-ylamino)-6-methylnicotinonitrile
    —— 5-Butyl-2-tert-butyl-2-methyl-1-oxa-2-sila-4-cyclopentene 106435-68-1 C12H24OSi
    5-Butyl-2-tert-butyl-2-methyl-1-oxa-2-sila-4-cyclopentene
    —— 5-[(4-chloro-3-fluorophenoxy)methyl]-3-phenyl-1,3-oxazolidin-2-one 1174337-92-8 C16H13ClFNO3
    5-[(4-chloro-3-fluorophenoxy)methyl]-3-phenyl-1,3-oxazolidin-2-one
    —— 5-((5-bromo-4-((2-(1H-imidazol-4-yl)ethyl)amino)-2-pyrimidinyl)amino)-1H-isoindole-1,3(2H)-dione 702674-67-7 C17H14BrN7O2
    5-((5-bromo-4-((2-(1H-imidazol-4-yl)ethyl)amino)-2-pyrimidinyl)amino)-1H-isoindole-1,3(2H)-dione
    —— 5-isopropoxy-2-(3-isopropoxy-4-methoxyphenyl)-6-methoxy-3-(3,4,5-trimethoxybenzoyl)-1H-inden-1-one 939824-70-1 C33H36O9
    5-isopropoxy-2-(3-isopropoxy-4-methoxyphenyl)-6-methoxy-3-(3,4,5-trimethoxybenzoyl)-1H-inden-1-one
    —— 5-[(4'-trifluoromethyl-1,1'-biphenyl)-4-yl]-5-phenyl-3,4-dihydroxy-2(5H)-furanone 1098478-87-5 C23H15F3O4
    5-[(4'-trifluoromethyl-1,1'-biphenyl)-4-yl]-5-phenyl-3,4-dihydroxy-2(5H)-furanone
    —— 5-hydroxy-3-methoxy-6-methyl-7-(3,4,5-trimethoxy-benzoyloxy)-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one 155334-78-4 C30H30O12
    5-hydroxy-3-methoxy-6-methyl-7-(3,4,5-trimethoxy-benzoyloxy)-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one
    —— 5-(1,3-benzothiazol-2-yl)-2-(1-cyclopentylpiperidin-4-yl)-6-[[(3R)-piperidin-3-yl]amino]-3,4-dihydropyrimidin-4-one 1433159-37-5 C26H34N6OS
    5-(1,3-benzothiazol-2-yl)-2-(1-cyclopentylpiperidin-4-yl)-6-[[(3R)-piperidin-3-yl]amino]-3,4-dihydropyrimidin-4-one
    —— 5-(7-methoxy-3-methylbenzofuran-2-yl)-N-(2-methoxyphenyl)-1,3,4-thiadiazol-2-amine 1262137-59-6 C19H17N3O3S
    5-(7-methoxy-3-methylbenzofuran-2-yl)-N-(2-methoxyphenyl)-1,3,4-thiadiazol-2-amine
    —— 5-Methyl-5-phenyl-octa-3,7-dien-2-on 58143-77-4 C15H18O
    5-Methyl-5-phenyl-octa-3,7-dien-2-on
    —— 5-(N-Isopropylureido)-3-methyl-2(3H)-benzoxazolone 243134-96-5 C12H15N3O3
    5-(N-Isopropylureido)-3-methyl-2(3H)-benzoxazolone
    —— 5'-deoxy-5-fluoro-N4-[(1,1,2-trimethylpropoxy)carbonyl]cytidine 162204-46-8 C16H24FN3O6
    5'-deoxy-5-fluoro-N4-[(1,1,2-trimethylpropoxy)carbonyl]cytidine
    —— 5,7-Dibutyl-3-methylamino-4,6-dioxo-4,5,6,7-tetrahydro-pyrazolo<3,4-d>-pyrimidin 67304-85-2 C14H23N5O2
    5,7-Dibutyl-3-methylamino-4,6-dioxo-4,5,6,7-tetrahydro-pyrazolo<3,4-d>-pyrimidin
    —— 5-trimethylsiloxyvalerophenone 124468-99-1 C14H22O2Si
    5-trimethylsiloxyvalerophenone
    —— 5,5-di-tert-butyl-2,2'-dimethyl-3,3'-bis(sulfanylmethyl)biphenyl 169213-43-8 C24H34S2
    5,5-di-tert-butyl-2,2'-dimethyl-3,3'-bis(sulfanylmethyl)biphenyl
    —— 5-O-benzyl-1,2-O-isopropylidene-3-O-methanesulphonyl-α-D-xylofuranoside 2592-59-8 C16H22O7S
    5-O-benzyl-1,2-O-isopropylidene-3-O-methanesulphonyl-α-D-xylofuranoside
    —— 5-(dimethylsulfamoylamino)-2-hydroxy-N,N,3,3-tetramethyl-2H-indole-1-sulfonamide 114083-38-4 C14H24N4O5S2
    5-(dimethylsulfamoylamino)-2-hydroxy-N,N,3,3-tetramethyl-2H-indole-1-sulfonamide
    —— 5α-Oestran-17-on 25824-86-6 C18H28O
    5α-Oestran-17-on
    —— 5-Oxo-6-amino-7-ketimido-6-phenyl-dibenzo<a.c>cycloheptan 26725-08-6 C21H16N2O
    5-Oxo-6-amino-7-ketimido-6-phenyl-dibenzo<a.c>cycloheptan
    —— 5-chloro-N-((1-(2-((R)-2,3-dihydroxypropoxy)-4-(2-oxopyridin-1(2H)-yl)phenyl)-1H-1,2,3-triazol-4-yl)methyl)thiophene-2-carboxamide 1039512-88-3 C22H20ClN5O5S
    5-chloro-N-((1-(2-((R)-2,3-dihydroxypropoxy)-4-(2-oxopyridin-1(2H)-yl)phenyl)-1H-1,2,3-triazol-4-yl)methyl)thiophene-2-carboxamide
    —— 5-<2-Hydroxy-5-formyl-benzyl>-uracil 17187-54-1 C12H10N2O4
    5-<2-Hydroxy-5-formyl-benzyl>-uracil
    —— 5'-O-Monomethoxytrityl-tubercidin 15083-10-0 C31H30N4O5
    5'-O-Monomethoxytrityl-tubercidin
    —— (5-Methoxy-indol-3-yl)-glyoxylsaeure-dibutylamid 2426-23-5 C19H26N2O3
    (5-Methoxy-indol-3-yl)-glyoxylsaeure-dibutylamid
    —— 5-Amino-2-ethyl-3-(2-mercaptoethylimino)-2-methyl-2,3-dihydrofuran 134965-77-8 C9H16N2OS
    5-Amino-2-ethyl-3-(2-mercaptoethylimino)-2-methyl-2,3-dihydrofuran
    —— (5-(1-((R)-4-(tert-butoxycarbonyl)-2-methylpiperazin-1-yl)ethyl)-2-fluoropyridin-3-yl)boronic acid 1253578-41-4 C17H27BFN3O4
    (5-(1-((R)-4-(tert-butoxycarbonyl)-2-methylpiperazin-1-yl)ethyl)-2-fluoropyridin-3-yl)boronic acid
    —— 5-(2,2-dimethyl-(4R)-1,3-dioxolan-4-yl)-6'-methoxy-2,2-dimethyl-(3'R,3aR,5R,6R,6'S,6aR)-spiro[perhydrofuro[2,3-d][1,3]-dioxole-6,2'-(6'H-pyran)]-3'-yl acetate 221160-25-4 C19H28O9
    5-(2,2-dimethyl-(4R)-1,3-dioxolan-4-yl)-6'-methoxy-2,2-dimethyl-(3'R,3aR,5R,6R,6'S,6aR)-spiro[perhydrofuro[2,3-d][1,3]-dioxole-6,2'-(6'H-pyran)]-3'-yl acetate
    —— 5-fluoro-1-((3aR,6S,6aS)-2,2,6-trimethyltetrahydrothieno[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione 1233523-97-1 C12H15FN2O4S
    5-fluoro-1-((3aR,6S,6aS)-2,2,6-trimethyltetrahydrothieno[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione
    —— 5,11,17,23-tetrakis[2,3-bis(tert-butoxycarbonyl)guanidino]-25,26,27,28-tetrabutoxycalix[4]arene 1312790-13-8 C88H132N12O20
    5,11,17,23-tetrakis[2,3-bis(tert-butoxycarbonyl)guanidino]-25,26,27,28-tetrabutoxycalix[4]arene
    —— 5-bromo-3-(4-ethylbenzyl)benzo[d]isothiazole 1207561-69-0 C16H14BrNS
    5-bromo-3-(4-ethylbenzyl)benzo[d]isothiazole