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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Amino-3-[(4-fluoro-3-sulfophenyl)diazenyl]-4-hydroxy-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid 1227371-18-7 C24H20FN5O16S5
    5-Amino-3-[(4-fluoro-3-sulfophenyl)diazenyl]-4-hydroxy-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid
    —— (5-Benzoylsulfanyl-1-methyl-2-p-tolyl-1H-imidazol-4-yl)-triphenyl-phosphonium; iodide 129221-57-4 C36H30N2OPS*I
    (5-Benzoylsulfanyl-1-methyl-2-p-tolyl-1H-imidazol-4-yl)-triphenyl-phosphonium; iodide
    —— 5-[(4-Methoxyphenoxy)methyl]-4,5-dihydro-1,3-oxazol-2-amine 81292-50-4 C11H14N2O3
    5-[(4-Methoxyphenoxy)methyl]-4,5-dihydro-1,3-oxazol-2-amine
    —— 5,5-Dimethoxybicyclo<2.2.1>heptan-5-on 111292-16-1 C9H14O3
    5,5-Dimethoxybicyclo<2.2.1>heptan-5-on
    —— 5-N,N-dimethylamino-6-(hydroxymethyl)bicyclo<3.2.1>octane-1-ol 104221-25-2 C11H21NO2
    5-N,N-dimethylamino-6-(hydroxymethyl)bicyclo<3.2.1>octane-1-ol
    —— 5-{[(1S,2R,4R)-7-azabicyclo[2.2.1]hept-2-ylamino]carbonyl}benzofuran-2-carboxylic acid 501893-84-1 C16H16N2O4
    5-{[(1S,2R,4R)-7-azabicyclo[2.2.1]hept-2-ylamino]carbonyl}benzofuran-2-carboxylic acid
    —— 5,5,7,7,13,13,15,15-octamethyl-1,3,9,11-tetraphenyl<9.5.1.13,9>octasiloxane 3511-13-5 C32H44O10Si8
    5,5,7,7,13,13,15,15-octamethyl-1,3,9,11-tetraphenyl<9.5.1.13,9>octasiloxane
    —— 5,5'-bis(4-hydroxyphenylcarbamoyl)-2,2'-bipyridine 174876-66-5 C24H18N4O4
    5,5'-bis(4-hydroxyphenylcarbamoyl)-2,2'-bipyridine
    —— 5-chloro-2'-methyl-2-(phthalimidoacetamido)benzophenone 115435-81-9 C24H17ClN2O4
    5-chloro-2'-methyl-2-(phthalimidoacetamido)benzophenone
    —— (5S,4'S,5'S,8'EZ,10'E,12'E)-N-benzoyl-3-(8,12-dimethyl-4,5-isopropylidenedioxy-1-oxotetradeca-8,10,12-trienyl)-5-(2-methylpropyl)-Δ<sup>3</sup>-pyrrolin-2-one 124575-48-0 C34H45NO5
    (5S,4'S,5'S,8'EZ,10'E,12'E)-N-benzoyl-3-(8,12-dimethyl-4,5-isopropylidenedioxy-1-oxotetradeca-8,10,12-trienyl)-5-(2-methylpropyl)-Δ<sup>3</sup>-pyrrolin-2-one
    —— 5-Jod-isophthalsaeure-di-n-propylester 4862-97-9 C14H17IO4
    5-Jod-isophthalsaeure-di-n-propylester
    —— 5-amino-2-chloro-3-N-(2,2,6,6-tetramethyl-4-piperidyl)amino-1,4-naphthoquinone 108661-52-5 C19H24ClN3O2
    5-amino-2-chloro-3-N-(2,2,6,6-tetramethyl-4-piperidyl)amino-1,4-naphthoquinone
    —— 5-bromo-3-hydroxy-3-(quinolin-2-ylmethyl)indolin-2-one 1627617-50-8 C18H13BrN2O2
    5-bromo-3-hydroxy-3-(quinolin-2-ylmethyl)indolin-2-one
    —— 5-[(5-Methoxy-2-nitrophenyl)methylene]-1-methyl-2,4-imidazolidinedione 109133-78-0 C12H11N3O5
    5-[(5-Methoxy-2-nitrophenyl)methylene]-1-methyl-2,4-imidazolidinedione
    —— 5',10'-dioxo-3',8'-bis(tribromomethyl)-1,3,2-benzodioxaphosphole-2-spiro-2"-(4,9-dioxa-1,6-diaza-2,7-diphosphatricyclo<5.3.0.0<sup>2,6</sup>>decane)-7'-spiro-2"-(1,3,2-benzodioxaphosphole) 140650-40-4 C18H10Br6N2O8P2
    5',10'-dioxo-3',8'-bis(tribromomethyl)-1,3,2-benzodioxaphosphole-2-spiro-2"-(4,9-dioxa-1,6-diaza-2,7-diphosphatricyclo<5.3.0.0<sup>2,6</sup>>decane)-7'-spiro-2"-(1,3,2-benzodioxaphosphole)
    —— 5,6-Bis(benzyloxy)-1-(2,4-dichlorostyryl)-3,4-dihydroisoquinoline 103685-85-4 C31H25Cl2NO2
    5,6-Bis(benzyloxy)-1-(2,4-dichlorostyryl)-3,4-dihydroisoquinoline
    —— 5-(3-(2-(5-methyl-2-phenyloxazol-4-yl)ethoxy)benzyl)-N,1-diphenyl-1H-1,2,3-triazole-4-carboxamide 1144525-54-1 C34H29N5O3
    5-(3-(2-(5-methyl-2-phenyloxazol-4-yl)ethoxy)benzyl)-N,1-diphenyl-1H-1,2,3-triazole-4-carboxamide
    —— (5R,5aR,8aR,9S)-9-((4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-thiophen-3-yl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(3,4,5-trimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one 115193-12-9 C33H34O13S
    (5R,5aR,8aR,9S)-9-((4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-thiophen-3-yl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(3,4,5-trimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one
    —— (5<i>R</i>)-3-(2-methoxy-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 methyl ester 63612-97-5 C10H13NO5
    (5<i>R</i>)-3-(2-methoxy-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 methyl ester
    —— 5-Chloro-6-(4-methyl-benzyl)-pyrazine-2,3-dicarbonitrile 87736-15-0 C14H9ClN4
    5-Chloro-6-(4-methyl-benzyl)-pyrazine-2,3-dicarbonitrile
    —— 5-butyl-2-[(Z)-(2-phenyloxan-4-ylidene)amino]oxy-3H-pyrano[2,3-d]pyrimidine-4,7-dione 944992-86-3 C22H23N3O5
    5-butyl-2-[(Z)-(2-phenyloxan-4-ylidene)amino]oxy-3H-pyrano[2,3-d]pyrimidine-4,7-dione
    —— 5-cyano-1-(phenylsulfonyl)-1H-indole-2-propanoic acid methyl ester 927961-01-1 C19H16N2O4S
    5-cyano-1-(phenylsulfonyl)-1H-indole-2-propanoic acid methyl ester
    —— 5-fluoro-1-iodobenzocyclobutene 409060-50-0 C8H6FI
    5-fluoro-1-iodobenzocyclobutene
    —— 5'-O-benzoyl-2',3'-O-cyclohexylideneuridine 137063-56-0 C22H24N2O7
    5'-O-benzoyl-2',3'-O-cyclohexylideneuridine
    —— (5aS,6aR,9S,11aS)-7-methyl-4,5,5a,6,6a,7,8,9-octahydro-10H-9,11a-methano[1,4]oxazepino[2',3':4,5]benzo[1,2,3-cd]indol-10-one 86749-46-4 C16H18N2O2
    (5aS,6aR,9S,11aS)-7-methyl-4,5,5a,6,6a,7,8,9-octahydro-10H-9,11a-methano[1,4]oxazepino[2',3':4,5]benzo[1,2,3-cd]indol-10-one
    —— 5-fluoro-4-methoxy-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester 65906-72-1 C8H11FN2O5
    5-fluoro-4-methoxy-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester
    —— 5-butyl-N-(1-methyl-1H-benzo[d]imidazol-7-yl)-1-(5-methyl-4-(thiophen-2-yl)pyrimidin-2-yl)-1H-pyrazole-4-carboxamide 1019254-58-0 C25H25N7OS
    5-butyl-N-(1-methyl-1H-benzo[d]imidazol-7-yl)-1-(5-methyl-4-(thiophen-2-yl)pyrimidin-2-yl)-1H-pyrazole-4-carboxamide
    —— 5,6-bis(cyclohexyloxycarbonyl)bicyclo[2.2.1]heptane-2-ene 20211-03-4 C21H30O4
    5,6-bis(cyclohexyloxycarbonyl)bicyclo[2.2.1]heptane-2-ene
    —— 5-methyl-hexahydro-oxazolo[3,4-<i>a</i>]pyridin-3-one 42329-14-6 C8H13NO2
    5-methyl-hexahydro-oxazolo[3,4-<i>a</i>]pyridin-3-one
    —— 5.6-Benzo-zethren-chinon(4.14) = Perinaphthenono-2.3:Bz1.Bz2-benzanthron 104533-94-0 C28H14O2
    5.6-Benzo-zethren-chinon(4.14) = Perinaphthenono-2.3:Bz1.Bz2-benzanthron
    —— 5-endo-acetoxy-6-exo-methylthio-2,3-tetrafluorobenzobicyclo<2.2.2>octadiene 128817-13-0 C15H12F4O2S
    5-endo-acetoxy-6-exo-methylthio-2,3-tetrafluorobenzobicyclo<2.2.2>octadiene
    —— 5-(3-chloropyridin-4-yl)-N4-(4-methylcyclohexyl)pyrimidine-2,4-diamine 1588959-25-4 C16H20ClN5
    5-(3-chloropyridin-4-yl)-N4-(4-methylcyclohexyl)pyrimidine-2,4-diamine
    —— 5-hydroxy-1-methyl-3,4-dihydro-1<i>H</i>-naphthalen-2-one 872797-74-5 C11H12O2
    5-hydroxy-1-methyl-3,4-dihydro-1<i>H</i>-naphthalen-2-one
    —— 5-((1,5-naphthyridin-3-yl)ethynyl)-N-methylpyridin-2-amine 1264193-06-7 C16H12N4
    5-((1,5-naphthyridin-3-yl)ethynyl)-N-methylpyridin-2-amine
    —— 5-fluoro-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-2-one 65269-53-6 C15H17FN2O8
    5-fluoro-1-(tri-<i>O</i>-acetyl-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-2-one
    —— 5'(S)-<N-(tert-butyloxycarbonyl)amino>-5'-deoxy-5'-(L-homocystein-S-ylmethyl)-2',3'-O-isopropylideneadenosine 107961-48-8 C23H35N7O7S
    5'(S)-<N-(tert-butyloxycarbonyl)amino>-5'-deoxy-5'-(L-homocystein-S-ylmethyl)-2',3'-O-isopropylideneadenosine
    —— 5-((tert-butyldimethylsilyloxy)methyl)-3-ethylisoxazole 1039434-21-3 C12H23NO2Si
    5-((tert-butyldimethylsilyloxy)methyl)-3-ethylisoxazole
    —— 5-(4-Chloro-phenyl)-2-(5-nitro-thiazol-2-yl)-2H-pyrazol-3-ylamine 135275-62-6 C12H8ClN5O2S
    5-(4-Chloro-phenyl)-2-(5-nitro-thiazol-2-yl)-2H-pyrazol-3-ylamine
    —— 5-[naphth-2-ylmethoxy(3,4,5-trimethoxyphenyl)methyl]-6-[1,3]dioxolan-2-ylbenzo[1,3]dioxole 1379669-25-6 C31H30O8
    5-[naphth-2-ylmethoxy(3,4,5-trimethoxyphenyl)methyl]-6-[1,3]dioxolan-2-ylbenzo[1,3]dioxole
    —— 5-[3-carboxy-4-(4-nitrobenzamido)-phenyloxy]-2-benzamidobenzoic acid 1192314-86-5 C28H19N3O9
    5-[3-carboxy-4-(4-nitrobenzamido)-phenyloxy]-2-benzamidobenzoic acid
    —— 5,8a-Dimethyl-3-piperidin-1-ylmethyl-3a,5,6,7,8,8a,9,9a-octahydro-3H-naphtho[2,3-b]furan-2-one 28392-40-7 C20H31NO2
    5,8a-Dimethyl-3-piperidin-1-ylmethyl-3a,5,6,7,8,8a,9,9a-octahydro-3H-naphtho[2,3-b]furan-2-one
    —— 5-(chloromethyl)-3'-hydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl (3-hydroxy-3-methyl-5-oxohexyl) ethane-1,2-diylbis(methylcarbamate) 761442-32-4 C34H35ClN2O10
    5-(chloromethyl)-3'-hydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl (3-hydroxy-3-methyl-5-oxohexyl) ethane-1,2-diylbis(methylcarbamate)
    —— 5-tert-butyl-2,3-dimethyl iodobenzene 5122-21-4 C12H17I
    5-tert-butyl-2,3-dimethyl iodobenzene
    —— 5'-isopropyl-2,2'-dipropoxy-3,7'-biquinoline 1345044-83-8 C27H30N2O2
    5'-isopropyl-2,2'-dipropoxy-3,7'-biquinoline
    —— 5-[3-[2-(6-aminopyridin-3-yl)ethynyl]-2-methylpyridin-4-yl]-N-[2-(dimethylamino)ethyl]-2-fluoro-N-methylbenzamide 1253054-77-1 C25H26FN5O
    5-[3-[2-(6-aminopyridin-3-yl)ethynyl]-2-methylpyridin-4-yl]-N-[2-(dimethylamino)ethyl]-2-fluoro-N-methylbenzamide
    —— 5-(4-fluoro-3-methoxyphenyl)-2-[(pyridin-2-yloxy)methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one 1382784-07-7 C19H17FN4O3
    5-(4-fluoro-3-methoxyphenyl)-2-[(pyridin-2-yloxy)methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
    —— 5-fluoro-1-((1-methyl-1H-pyrazol-4-yl)methyl)-4-(4-((6-(trifluoromethyl)pyridin-2-yl)oxy)phenethoxy)pyrimidin-2(1H)-one 1381791-90-7 C23H19F4N5O3
    5-fluoro-1-((1-methyl-1H-pyrazol-4-yl)methyl)-4-(4-((6-(trifluoromethyl)pyridin-2-yl)oxy)phenethoxy)pyrimidin-2(1H)-one
    —— 5α-cholest-7-en-6-one 25615-30-9 C27H44O
    5α-cholest-7-en-6-one
    —— 5,6,7,8-tetrahydro-4H-oxazolo[4,5-d]azepin-2-ylamine 86029-67-6 C7H11N3O
    5,6,7,8-tetrahydro-4H-oxazolo[4,5-d]azepin-2-ylamine
    —— 5-(4-tert-butylphenyl)-2-methyl-1H-pyrazol-3-one 1202873-59-3 C14H18N2O
    5-(4-tert-butylphenyl)-2-methyl-1H-pyrazol-3-one