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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-bromo-3β,17β-diacetoxy-5α-estran-4β-ol 76563-77-4 C22H33BrO5
    5-bromo-3β,17β-diacetoxy-5α-estran-4β-ol
    —— 5-Hydroxy-5-methyl-6-phenyl-hexan-3-one 59356-93-3 C13H18O2
    5-Hydroxy-5-methyl-6-phenyl-hexan-3-one
    —— 5-Phenylsulfanyl-5-p-tolyl-pentan-2-one 103709-32-6 C18H20OS
    5-Phenylsulfanyl-5-p-tolyl-pentan-2-one
    —— 5-Chloro-2-hydroxy-3-methoxypyridine N-Oxide 110038-51-2 C6H6ClNO3
    5-Chloro-2-hydroxy-3-methoxypyridine N-Oxide
    —— 5-(3-(o-tolylamino)benzofuran-2-yl)-1,3,4-oxadiazole-2-thiol 1353714-29-0 C17H13N3O2S
    5-(3-(o-tolylamino)benzofuran-2-yl)-1,3,4-oxadiazole-2-thiol
    —— 5-hydroxy-3,3,7-trimethyl-9-tetrahydropyranyloxynon-1-ene 120584-89-6 C17H32O3
    5-hydroxy-3,3,7-trimethyl-9-tetrahydropyranyloxynon-1-ene
    —— 5'-bromo-4-hydroxy-[1,1':2',1"-terphenyl]-3'-carbonitrile 1422022-22-7 C19H12BrNO
    5'-bromo-4-hydroxy-[1,1':2',1"-terphenyl]-3'-carbonitrile
    —— 5-(7-chloro-1-benzothien-2-yl)-8-methyl-1,9-dihydro-2H-[1,3]-oxazolo[4,5-h][2,3]benzodiazepin-2-one 1398497-10-3 C19H12ClN3O2S
    5-(7-chloro-1-benzothien-2-yl)-8-methyl-1,9-dihydro-2H-[1,3]-oxazolo[4,5-h][2,3]benzodiazepin-2-one
    —— 5β-chol-11-en-24-oic acid ethyl ester 119324-52-6 C26H42O2
    5β-chol-11-en-24-oic acid ethyl ester
    —— 5-Fluor-2-brom-N-acetyl-benzolsulfonsaeure-(1)-amid 650-68-0 C8H7BrFNO3S
    5-Fluor-2-brom-N-acetyl-benzolsulfonsaeure-(1)-amid
    —— 5(R)-3-[4-[(1α,5α,6α)-6-(1-cyanoethyl)-3-azabicyclo[3.1.0]hexan-3-yl]-3-fluorophenyl]-5-[(triisopropylsilyl)oxy]methyloxazolidin-2-one 504436-89-9 C27H40FN3O3Si
    5(R)-3-[4-[(1α,5α,6α)-6-(1-cyanoethyl)-3-azabicyclo[3.1.0]hexan-3-yl]-3-fluorophenyl]-5-[(triisopropylsilyl)oxy]methyloxazolidin-2-one
    —— 5-[(1H-Indazol-4-ylmethyl)-carbamoyl]-3-trifluoromethyl-thiophene-2-carboxylic acid 1400662-25-0 C15H10F3N3O3S
    5-[(1H-Indazol-4-ylmethyl)-carbamoyl]-3-trifluoromethyl-thiophene-2-carboxylic acid
    —— 5,5'-bis(2,4,6-trimethyl-2,5-dihydro-1,2,3-triazynyl) 132353-50-5 C12H20N6
    5,5'-bis(2,4,6-trimethyl-2,5-dihydro-1,2,3-triazynyl)
    —— 5-(2-chloro-benzyl)-3-ethoxycarbonylmethoxy-4,5,6,7-tetrahydro-thieno[3,2-<i>c</i>]pyridine-2-carboxylic acid ethyl ester 67848-51-5 C21H24ClNO5S
    5-(2-chloro-benzyl)-3-ethoxycarbonylmethoxy-4,5,6,7-tetrahydro-thieno[3,2-<i>c</i>]pyridine-2-carboxylic acid ethyl ester
    —— 5-[4-[[3-[2,6-dimethyl-4-(3-methylsulfonylpropoxy)phenyl]phenyl]methoxy]phenyl]-3-(methoxymethoxy)-1,2-oxazole 1294453-78-3 C30H33NO7S
    5-[4-[[3-[2,6-dimethyl-4-(3-methylsulfonylpropoxy)phenyl]phenyl]methoxy]phenyl]-3-(methoxymethoxy)-1,2-oxazole
    —— 5-chloro-2'-fluoro-2-formylbenzophenone ethylene ketal 58582-41-5 C16H12ClFO3
    5-chloro-2'-fluoro-2-formylbenzophenone ethylene ketal
    —— 5-<3-(Dimethylamino)-1-propinyl>-5H-dibenzo<a,d>cyclohepten-5-ol 27448-10-8 C20H19NO
    5-<3-(Dimethylamino)-1-propinyl>-5H-dibenzo<a,d>cyclohepten-5-ol
    —— 5,5,7,7-tetramethyl-6-oxa-3,9-diselenatetracyclo[9.2.1.02,10.04,8]tetradeca-4(8),12-diene 115125-47-8 C15H20OSe2
    5,5,7,7-tetramethyl-6-oxa-3,9-diselenatetracyclo[9.2.1.02,10.04,8]tetradeca-4(8),12-diene
    —— 5.6.7.8-Tetraphenyl-dibenzo<a.c>cyclooctatetraen 15811-35-5 C40H28
    5.6.7.8-Tetraphenyl-dibenzo<a.c>cyclooctatetraen
    —— 5-Nitro-1H-pyrazole-3-carboxylic acid (2-{3-[3-(4-chloro-phenoxy)-pyrrolidin-1-yl]-2-hydroxy-propoxy}-4-methyl-phenyl)-amide 383887-98-7 C24H26ClN5O6
    5-Nitro-1H-pyrazole-3-carboxylic acid (2-{3-[3-(4-chloro-phenoxy)-pyrrolidin-1-yl]-2-hydroxy-propoxy}-4-methyl-phenyl)-amide
    —— 5'-O-(monomethoxytrityl)-N<sup>6</sup>2'-O,3'-O-tris<2-(4-nitrophenyl)ethoxycarbonyl>adenosine 148144-77-8 C57H50N8O17
    5'-O-(monomethoxytrityl)-N<sup>6</sup>2'-O,3'-O-tris<2-(4-nitrophenyl)ethoxycarbonyl>adenosine
    —— 5-Pentyl-1,3-dimethyl-1,2,3,4-tetrahydro-7,8,11-tris(methoxycarbonyl)-5H,9H<1,3>-diazocino<1,2-e>purine-2,4,9-trione 135574-46-8 C23H27N5O9
    5-Pentyl-1,3-dimethyl-1,2,3,4-tetrahydro-7,8,11-tris(methoxycarbonyl)-5H,9H<1,3>-diazocino<1,2-e>purine-2,4,9-trione
    —— 5-(<i>N</i>'-benzoyl-hydrazino)-5-ethyl-pyrimidine-2,4,6-trione 92024-23-2 C13H14N4O4
    5-(<i>N</i>'-benzoyl-hydrazino)-5-ethyl-pyrimidine-2,4,6-trione
    —— 5,5'-bis-(4,5-dihydro-3<i>H</i>-pyrrol-2-yl)-2,2',4'-trimethoxy-biphenyl-4-ol 95873-10-2 C23H26N2O4
    5,5'-bis-(4,5-dihydro-3<i>H</i>-pyrrol-2-yl)-2,2',4'-trimethoxy-biphenyl-4-ol
    —— 5-Trifluormethylselanyl-2,4-bis(trimethylsiloxy)-pyrimidin 141941-92-6 C11H19F3N2O2SeSi2
    5-Trifluormethylselanyl-2,4-bis(trimethylsiloxy)-pyrimidin
    —— 5,8-dimethoxy-9-benzonorbornenone dimethyl ketal 80010-82-8 C15H20O4
    5,8-dimethoxy-9-benzonorbornenone dimethyl ketal
    —— 5-nitro-N-(2,2,6,6-tetramethylpiperidin-4-yl)-spiro[benzimidazole-2,1'-cyclohexan]-4-amine 1-oxide 302558-37-8 C21H31N5O3
    5-nitro-N-(2,2,6,6-tetramethylpiperidin-4-yl)-spiro[benzimidazole-2,1'-cyclohexan]-4-amine 1-oxide
    —— (52R,Z)-11H-7-oxa-1(1,4)-triazola-5(1,2)-pyrrolidina-3(1,3)-benzenacyclooctaphan-4-one 1267640-19-6 C16H18N4O2
    (52R,Z)-11H-7-oxa-1(1,4)-triazola-5(1,2)-pyrrolidina-3(1,3)-benzenacyclooctaphan-4-one
    —— 5-[3-(3-ethyl-ureido)-isoquinolin-8-ylamino]-2-methoxy-N-methyl-benzamide 1338257-31-0 C21H23N5O3
    5-[3-(3-ethyl-ureido)-isoquinolin-8-ylamino]-2-methoxy-N-methyl-benzamide
    —— 5-(1H-indol-5-ylthio)-1H-indole 79872-64-3 C16H12N2S
    5-(1H-indol-5-ylthio)-1H-indole
    —— 5-Benzyl-5-(4-methoxy-phenyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione 109687-37-8 C20H20O5
    5-Benzyl-5-(4-methoxy-phenyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
    —— 5'-O-amino-3'-O-tert-butyldiphenylsilyl-2'-fluorothymidine 719302-84-8 C26H32FN3O5Si
    5'-O-amino-3'-O-tert-butyldiphenylsilyl-2'-fluorothymidine
    —— 5-ethyl-1-(2-fluorobenzoyl)-5-(3-methylbutyl)-1,3-diazinane-2,4,6-trione 119410-29-6 C18H21FN2O4
    5-ethyl-1-(2-fluorobenzoyl)-5-(3-methylbutyl)-1,3-diazinane-2,4,6-trione
    —— 5-(benzo[d]thiazol-2-yl)-2-((S)-3-methylmorpholino)-6-((R)-piperidin-3-ylamino)pyrimidin-4(3H)-one 1433154-13-2 C21H26N6O2S
    5-(benzo[d]thiazol-2-yl)-2-((S)-3-methylmorpholino)-6-((R)-piperidin-3-ylamino)pyrimidin-4(3H)-one
    —— 5-Chloro-3-methyl-1H-indole-2-carbonyl chloride 120608-00-6 C10H7Cl2NO
    5-Chloro-3-methyl-1H-indole-2-carbonyl chloride
    —— 5R-acetamidomethyl-3-(4-iodophenyl)-3-phenylthio-dihydrofuran-(3H)-2-one 199682-32-1 C19H18INO3S
    5R-acetamidomethyl-3-(4-iodophenyl)-3-phenylthio-dihydrofuran-(3H)-2-one
    —— 5-N-[4-[(benzylsulfonylamino)-methylamino]-1-(3,5-difluorophenyl)-3-hydroxybutan-2-yl]-1-N,1-N-dimethyl-3-N,3-N-dipropylbenzene-1,3,5-tricarboxamide 1106209-88-4 C35H45F2N5O6S
    5-N-[4-[(benzylsulfonylamino)-methylamino]-1-(3,5-difluorophenyl)-3-hydroxybutan-2-yl]-1-N,1-N-dimethyl-3-N,3-N-dipropylbenzene-1,3,5-tricarboxamide
    —— [5-Bromo-6-phenyl-1H-pyrimidin-(2E)-ylidene]-cyano-acetic acid ethyl ester 103590-11-0 C15H12BrN3O2
    [5-Bromo-6-phenyl-1H-pyrimidin-(2E)-ylidene]-cyano-acetic acid ethyl ester
    —— (5S)-5-benzyl-3-heptyl-Δ<sup>3</sup>-pyrrolin-2-one 94014-80-9 C18H25NO
    (5S)-5-benzyl-3-heptyl-Δ<sup>3</sup>-pyrrolin-2-one
    —— 5-(1-ethyl-1-methyl-propyl)-biphenyl-2-ol 861010-41-5 C18H22O
    5-(1-ethyl-1-methyl-propyl)-biphenyl-2-ol
    —— 5-phenylpentyl (methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(2-azido-2-deoxy-3-O-methyl-6-O-tert-butyldiphenylsilyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-6-O-tert-butyldiphenylsilyl-β-D-glucopyranoside 1388150-71-7 C85H110N4O25Si2
    5-phenylpentyl (methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(2-azido-2-deoxy-3-O-methyl-6-O-tert-butyldiphenylsilyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-6-O-tert-butyldiphenylsilyl-β-D-glucopyranoside
    —— 5-((5-(thiophen-2-yl)-2-thioxo-1,3,4-oxadiazol-3(2H)-yl)methyl)pyrimidine-2,4(1H,3H)-dione 84345-69-7 C11H8N4O3S2
    5-((5-(thiophen-2-yl)-2-thioxo-1,3,4-oxadiazol-3(2H)-yl)methyl)pyrimidine-2,4(1H,3H)-dione
    —— 5-(1-(2,6-dimethylphenyl)-1H-tetrazol-5-yl)-1-(4-methoxyphenethyl)-5-methylpyrrolidin-2-one 1360436-05-0 C23H27N5O2
    5-(1-(2,6-dimethylphenyl)-1H-tetrazol-5-yl)-1-(4-methoxyphenethyl)-5-methylpyrrolidin-2-one
    —— 5-allyloxy-1,3-dimethyl-2-prop-2-ynyloxy-benzene 750624-45-4 C14H16O2
    5-allyloxy-1,3-dimethyl-2-prop-2-ynyloxy-benzene
    —— 5-<<5-<3-(2-methyl-1,3-dioxolan-2-yl)propoxy>-2-nitrophenyl>methylene>-2,4-imidazolidinedione 112859-55-9 C17H19N3O7
    5-<<5-<3-(2-methyl-1,3-dioxolan-2-yl)propoxy>-2-nitrophenyl>methylene>-2,4-imidazolidinedione
    —— 5-Acetyl-4-(4-methoxy-phenyl)-6-((E)-2-thiophen-2-yl-vinyl)-2-thioxo-1,2-dihydro-pyridine-3-carbonitrile 138566-03-7 C21H16N2O2S2
    5-Acetyl-4-(4-methoxy-phenyl)-6-((E)-2-thiophen-2-yl-vinyl)-2-thioxo-1,2-dihydro-pyridine-3-carbonitrile
    —— 5-[2-Benzo[1,3]dioxol-5-yl-2-(3,5-dimethyl-1H-pyrazol-4-yl)-ethyl]-3-methyl-4-nitro-isoxazole 98239-44-2 C18H18N4O5
    5-[2-Benzo[1,3]dioxol-5-yl-2-(3,5-dimethyl-1H-pyrazol-4-yl)-ethyl]-3-methyl-4-nitro-isoxazole
    —— 5-(2-bromoethyl)-2',2'-dimethyl-1,3-dihydrospiro[indene-2,5'-[1,3]dioxane]-4',6'-dione 1427319-87-6 C16H17BrO4
    5-(2-bromoethyl)-2',2'-dimethyl-1,3-dihydrospiro[indene-2,5'-[1,3]dioxane]-4',6'-dione
    —— 5,5-dibenzyl-3-[(E)-1-hydroxypent-2-enyl]-4-methoxy-1-methylpyrrol-2-one 130836-69-0 C25H29NO3
    5,5-dibenzyl-3-[(E)-1-hydroxypent-2-enyl]-4-methoxy-1-methylpyrrol-2-one
    —— 5-methyl-6-(2-piperazin-1-yl-benzoxazol-6-yl)-4,5-dihydro-2H-pyridazin-3-one 1346699-62-4 C16H19N5O2
    5-methyl-6-(2-piperazin-1-yl-benzoxazol-6-yl)-4,5-dihydro-2H-pyridazin-3-one