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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-6-(2-methylbenzo[b]thiophen-3-yl)-1,6-dihydropyrimidine 1449702-52-6 C14H14N2S
    5-methyl-6-(2-methylbenzo[b]thiophen-3-yl)-1,6-dihydropyrimidine
    —— 5α-cholestane-3α,7α,26-triol 56194-10-6 C27H48O3
    5α-cholestane-3α,7α,26-triol
    —— 5'-bromo-1',1'-dimethyl-Δ<sup>8</sup>-tetrahydrocannabinol 152674-96-9 C23H33BrO2
    5'-bromo-1',1'-dimethyl-Δ<sup>8</sup>-tetrahydrocannabinol
    —— 5-(1,1,5-trimethylhexyl) resorcinol 296242-07-4 C15H24O2
    5-(1,1,5-trimethylhexyl) resorcinol
    —— 5,6-dihydro-4<i>H</i>-[1,4]thiazine-2,3-dicarboxylic acid 2-methyl ester 55052-56-7 C7H9NO4S
    5,6-dihydro-4<i>H</i>-[1,4]thiazine-2,3-dicarboxylic acid 2-methyl ester
    —— 5-Methoxy-1-hydroxy-1-acetyl-1,2,3,4-tetrahydronapthalene 35031-30-2 C13H16O3
    5-Methoxy-1-hydroxy-1-acetyl-1,2,3,4-tetrahydronapthalene
    —— 5-Fluorouracil-3-acetic acid 84568-51-4 C6H5FN2O4
    5-Fluorouracil-3-acetic acid
    —— 5(4H)-Oxazolone, 4-(1H-indol-3-ylmethyl)-2-phenyl-, (S)- 101693-51-0 C18H14N2O2
    5(4H)-Oxazolone, 4-(1H-indol-3-ylmethyl)-2-phenyl-, (S)-
    —— (5aS,8aR,9S)-7,7-dimethyl-5-methylidene-4,5a,6,8,8a,9-hexahydroazuleno[5,6-c]furan-9-ol 89002-38-0 C15H20O2
    (5aS,8aR,9S)-7,7-dimethyl-5-methylidene-4,5a,6,8,8a,9-hexahydroazuleno[5,6-c]furan-9-ol
    —— 5,6,8,9-tetrahydro-6,6,8-trimethylazuleno<5,6-c>furan 93943-61-4 C15H18O
    5,6,8,9-tetrahydro-6,6,8-trimethylazuleno<5,6-c>furan
    —— (5<i>R</i>)-6<i>c</i>-hydroxymethyl-3,3-dimethyl-7-oxo-6<i>t</i>-(2-phenoxy-acetylamino)-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester 40353-08-0 C24H26N2O6S
    (5<i>R</i>)-6<i>c</i>-hydroxymethyl-3,3-dimethyl-7-oxo-6<i>t</i>-(2-phenoxy-acetylamino)-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester
    —— 5-trifluoromethyl-3,4-diazatetracyclo<7.3.1.1<sup>7,11</sup>.0<sup>2,6</sup>>tetradeca-2(6),4-diene 162463-64-1 C13H15F3N2
    5-trifluoromethyl-3,4-diazatetracyclo<7.3.1.1<sup>7,11</sup>.0<sup>2,6</sup>>tetradeca-2(6),4-diene
    —— 5-(2,3-Dichlorophenoxy)-2-nitrobenzenesulfonamide 69740-95-0 C12H8Cl2N2O5S
    5-(2,3-Dichlorophenoxy)-2-nitrobenzenesulfonamide
    —— (5-exo,6-exo)-1,2,3,4-tetrahydro-1,4-methanophenazine-2,3-diyl dibenzoate 476158-23-3 C27H20N2O4
    (5-exo,6-exo)-1,2,3,4-tetrahydro-1,4-methanophenazine-2,3-diyl dibenzoate
    —— 5-Anilino-1-methyl<2,1>benzisoxazole-3(1H)-one-4,7-quinone 99336-46-6 C14H10N2O4
    5-Anilino-1-methyl<2,1>benzisoxazole-3(1H)-one-4,7-quinone
    —— 5'-O-(4,4'-dimethoxytrityl)-N2-propyl-8-oxo-7,8-dihydro-2'-deoxyguanosine 1246662-17-8 C34H37N5O7
    5'-O-(4,4'-dimethoxytrityl)-N2-propyl-8-oxo-7,8-dihydro-2'-deoxyguanosine
    —— 5-bromo-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-84-1 C15H8BrNO3
    5-bromo-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5-methoxycarbonyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-87-4 C17H11NO5
    5-methoxycarbonyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5-(4-methoxyphenyl)furazano[3,4-b]pyrazine 67200-30-0 C11H8N4O2
    5-(4-methoxyphenyl)furazano[3,4-b]pyrazine
    —— 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitro-benzenesulfonamide 69741-41-9 C13H8ClF3N2O5S
    5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitro-benzenesulfonamide
    —— 5-chloro-6-methyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-88-5 C16H10ClNO3
    5-chloro-6-methyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5-chloro-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-82-9 C15H8ClNO3
    5-chloro-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5-chlorodifluoromethyl-2-methoxyfuran 148275-51-8 C6H5ClF2O2
    5-chlorodifluoromethyl-2-methoxyfuran
    —— 5-fluoro-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-83-0 C15H8FNO3
    5-fluoro-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5-methyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-80-7 C16H11NO3
    5-methyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— (+)-5',5'-dimethylspiro(indan-1,3'-morpholine)-N-oxyl 213924-77-7 C14H18NO2
    (+)-5',5'-dimethylspiro(indan-1,3'-morpholine)-N-oxyl
    —— 5',5'-dimethylspiro(indan-1,3'-morpholine) 213924-69-7 C14H19NO
    5',5'-dimethylspiro(indan-1,3'-morpholine)
    —— 5',5'-dimethyl-4'-[((R)-1-phenylethyl)carbamoyl]spiro[indan-1,3'-morpholine] 213924-74-4 C23H28N2O2
    5',5'-dimethyl-4'-[((R)-1-phenylethyl)carbamoyl]spiro[indan-1,3'-morpholine]
    —— 5',5'-dimethyl-4'-[((R)-1-phenylethyl)carbamoyl]spiro[indan-1,3'-morpholine] 213924-73-3 C23H28N2O2
    5',5'-dimethyl-4'-[((R)-1-phenylethyl)carbamoyl]spiro[indan-1,3'-morpholine]
    —— (+)-5',5'-dimethylspiro(indan-1,3'-morpholine) 213924-76-6 C14H19NO
    (+)-5',5'-dimethylspiro(indan-1,3'-morpholine)
    —— 5,7-Diamino-2-methyl-pyrazolo<1,5-a>pyrimidin 95650-18-3 C7H9N5
    5,7-Diamino-2-methyl-pyrazolo<1,5-a>pyrimidin
    —— 5-phenyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione 1616869-85-2 C21H13NO3
    5-phenyl-3H,3'H-spiro[benzofuran-2,1'-isoindole]-3,3'-dione
    —— 5'-O-(4,4'-dimethoxytrityl)-N2-benzyl-8-oxo-7,8-dihydro-2'-deoxyguanosine 1262310-96-2 C38H37N5O7
    5'-O-(4,4'-dimethoxytrityl)-N2-benzyl-8-oxo-7,8-dihydro-2'-deoxyguanosine
    —— 5-(2-Triethoxysilylethyl)-2,3-dihydrochromen-4-one 1233131-29-7 C17H26O5Si
    5-(2-Triethoxysilylethyl)-2,3-dihydrochromen-4-one
    —— (5-Bromo-4-methyl-6-oxopyran-2-yl)methyl acetate 143739-26-8 C9H9BrO4
    (5-Bromo-4-methyl-6-oxopyran-2-yl)methyl acetate
    —— 5-(Dimethylamino)-3,4-dihydro-4,4-dimethyl-2-oxo-2H-imidazolium-trifluorothioacetamidat 128945-29-9 C9H13F3N4OS
    5-(Dimethylamino)-3,4-dihydro-4,4-dimethyl-2-oxo-2H-imidazolium-trifluorothioacetamidat
    —— 5,7-dimethyl-2,3,4,7-tetrahydro[1,4]thiazepine-6-carbonitrile 1024025-37-3 C8H12N2S
    5,7-dimethyl-2,3,4,7-tetrahydro[1,4]thiazepine-6-carbonitrile
    —— 5-(4-fluorophenyl)-2-nitroso-3-phenyl-1H-pyrrole 862201-41-0 C16H11FN2O
    5-(4-fluorophenyl)-2-nitroso-3-phenyl-1H-pyrrole
    —— 5-bromo-7-ethyl-2-(1,2-epoxyethyl)benzofuran 69543-78-8 C12H11BrO2
    5-bromo-7-ethyl-2-(1,2-epoxyethyl)benzofuran
    —— 5-(benzyloxy)-6-<3-<(3-carbomethoxy-2-methyoxyquinolin-7-yl)thio>propyl>-2,3-dihydro-2-(2-phenylethyl)benzofuran 138854-21-4 C38H37NO5S
    5-(benzyloxy)-6-<3-<(3-carbomethoxy-2-methyoxyquinolin-7-yl)thio>propyl>-2,3-dihydro-2-(2-phenylethyl)benzofuran
    —— 5,5'-Bis(trifluormethyl)-2,2',3,3'-tetrahydro-3,3'-methylendi(1,3,4-thiadiazol) 88976-83-4 C7H6F6N4S2
    5,5'-Bis(trifluormethyl)-2,2',3,3'-tetrahydro-3,3'-methylendi(1,3,4-thiadiazol)
    —— 5-(4-methoxyphenyl)-2-nitroso-3-phenyl-1H-pyrrole 861033-80-9 C17H14N2O2
    5-(4-methoxyphenyl)-2-nitroso-3-phenyl-1H-pyrrole
    —— 5,6,7,8,9,10-hexahydro-3-methoxy-5-methyl-5,9-methano-benzocycloocten-11-one 50736-16-8 C15H18O2
    5,6,7,8,9,10-hexahydro-3-methoxy-5-methyl-5,9-methano-benzocycloocten-11-one
    —— 5-methyl-2-(1H-pyrazol-1-yl)benzoic acid 1214622-46-4 C11H10N2O2
    5-methyl-2-(1H-pyrazol-1-yl)benzoic acid
    —— 5-bromo-7-tert-butyl-2,3-dihydro-1,3,3-trimethylindole 205241-98-1 C15H22BrN
    5-bromo-7-tert-butyl-2,3-dihydro-1,3,3-trimethylindole
    —— 5-(tert-butyl)-7-methyl-2,3,4,7-tetrahydro[1,4]thiazepine-6-carbonitrile 1024025-79-3 C11H18N2S
    5-(tert-butyl)-7-methyl-2,3,4,7-tetrahydro[1,4]thiazepine-6-carbonitrile
    —— 5,7-dimethyl-3,7,8,8a-tetrahydro-2H-thiazolo[3,2-a]pyridine-6-carbonitrile 1024025-84-0 C10H14N2S
    5,7-dimethyl-3,7,8,8a-tetrahydro-2H-thiazolo[3,2-a]pyridine-6-carbonitrile
    —— 5-(N-benzyloxycarbonyl)amino-2,4,5-trideoxy-L-threo-hexurono-6,3-lactone 244633-64-5 C14H15NO5
    5-(N-benzyloxycarbonyl)amino-2,4,5-trideoxy-L-threo-hexurono-6,3-lactone
    —— (5S,6R,7S)-9-(dimethoxymethyl)-4-methoxy-7-(methoxymethoxy)-6-[(E)-2-methyl-3-(2-trimethylsilylethoxymethoxy)prop-1-enyl]-1-oxaspiro[4.5]deca-3,8-dien-2-one 138213-58-8 C25H42O9Si
    (5S,6R,7S)-9-(dimethoxymethyl)-4-methoxy-7-(methoxymethoxy)-6-[(E)-2-methyl-3-(2-trimethylsilylethoxymethoxy)prop-1-enyl]-1-oxaspiro[4.5]deca-3,8-dien-2-one
    —— 5-Methyl-5α-cholestan-3-one 2102-30-9 C28H48O
    5-Methyl-5α-cholestan-3-one