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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-diethyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole 18853-79-7 C22H18N2O2S
    5,5'-diethyl-2,2'-thiophene-2,5-diyl-bis-benzooxazole
    —— 5-[4-(Benzyloxy)phenyl]-4-(3,4-dimethoxybenzoyl)-3-hydroxy-1-(3-methoxypropyl)-1,5-dihydro-2H-pyrrol-2-one 618081-01-9 C30H31NO7
    5-[4-(Benzyloxy)phenyl]-4-(3,4-dimethoxybenzoyl)-3-hydroxy-1-(3-methoxypropyl)-1,5-dihydro-2H-pyrrol-2-one
    —— ({5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrophenyl}thio)-acetic acid, ethyl ester 64028-10-0 C17H13ClF3NO5S
    ({5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrophenyl}thio)-acetic acid, ethyl ester
    —— 5-cyclohexylimino-2-dimethylamino-oxazole-4-thione 25762-25-8 C11H17N3OS
    5-cyclohexylimino-2-dimethylamino-oxazole-4-thione
    —— 5,5-di(hydroxymethyl)-2-thioxothiazolidin-4-one 1233816-36-8 C5H7NO3S2
    5,5-di(hydroxymethyl)-2-thioxothiazolidin-4-one
    —— 5,8,9-syn-6,7-dehydro-5,8-dimethylindolizidin-3-one 118312-02-0 C10H15NO
    5,8,9-syn-6,7-dehydro-5,8-dimethylindolizidin-3-one
    —— 5-((1-phenyl-1H-tetrazol-5-yl)sulfonyl)pent-2-yn-1-ol 1263144-27-9 C12H12N4O3S
    5-((1-phenyl-1H-tetrazol-5-yl)sulfonyl)pent-2-yn-1-ol
    —— 5-bromo-4-(2,6-dichlorophenoxy)pyridine-2-amine 1043022-91-8 C11H7BrCl2N2O
    5-bromo-4-(2,6-dichlorophenoxy)pyridine-2-amine
    —— 5-Bromomethyl-1-(2,6-difluoro-benzyl)-6-(4-methoxy-phenyl)-3-phenyl-1H-thieno[2,3-d]pyrimidine-2,4-dione 174073-40-6 C27H19BrF2N2O3S
    5-Bromomethyl-1-(2,6-difluoro-benzyl)-6-(4-methoxy-phenyl)-3-phenyl-1H-thieno[2,3-d]pyrimidine-2,4-dione
    —— 5-chloro-1-isobutyl-3-methyl-6-(4-(1-methylpyrrolidin-2-yl)benzyl)-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione 1228688-00-3 C23H29ClN4O2
    5-chloro-1-isobutyl-3-methyl-6-(4-(1-methylpyrrolidin-2-yl)benzyl)-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione
    —— 5'-bromo-2'-hydroxy-4-methoxy-5'-methylchalcone dibromide 29976-70-3 C17H15Br3O3
    5'-bromo-2'-hydroxy-4-methoxy-5'-methylchalcone dibromide
    —— 5-(1-deuterioethyl)-4-(4,4-dimethyl-5H-1,3-oxazol-2-yl)-3-methyl-1,2-oxazole 93599-51-0 C11H16N2O2
    5-(1-deuterioethyl)-4-(4,4-dimethyl-5H-1,3-oxazol-2-yl)-3-methyl-1,2-oxazole
    —— 5-methoxy-3,4-bis(tetradecyloxy)benzoic acid 1216847-08-3 C36H64O5
    5-methoxy-3,4-bis(tetradecyloxy)benzoic acid
    —— 5-(diethylamino)-4-methylpicolinic acid 1516902-10-5 C11H16N2O2
    5-(diethylamino)-4-methylpicolinic acid
    —— 5,6-Dimethoxy-8-<3-bis-(2-hydroxyethylamino)-propionamido>chinolin 101865-54-7 C18H25N3O5
    5,6-Dimethoxy-8-<3-bis-(2-hydroxyethylamino)-propionamido>chinolin
    —— 5-[10-Ethyl-10H-phenazin-(2E)-ylidene]-3-methyl-2-thioxo-thiazolidin-4-one 111639-73-7 C18H15N3OS2
    5-[10-Ethyl-10H-phenazin-(2E)-ylidene]-3-methyl-2-thioxo-thiazolidin-4-one
    —— 5-methyl-2,3,8,9-tetrahydro-7<i>H</i>-naphtho[1,2-<i>b</i>]furan-6-one-(2,4-dinitro-phenylhydrazone) 109842-74-2 C19H18N4O5
    5-methyl-2,3,8,9-tetrahydro-7<i>H</i>-naphtho[1,2-<i>b</i>]furan-6-one-(2,4-dinitro-phenylhydrazone)
    —— 5-chloro-6-hydroxy-8-methoxy-3-methoxycarbonyl-2,7-dimethyl-isoquinolinium-betaine 110054-37-0 C14H14ClNO4
    5-chloro-6-hydroxy-8-methoxy-3-methoxycarbonyl-2,7-dimethyl-isoquinolinium-betaine
    —— 5-bromo-7-[2-deoxy-β-D-erythro-pentofuranosyl]-2,4-dimethoxy-7H-pyrrolo[2,3-d]pyrimidine 1053228-41-3 C13H16BrN3O5
    5-bromo-7-[2-deoxy-β-D-erythro-pentofuranosyl]-2,4-dimethoxy-7H-pyrrolo[2,3-d]pyrimidine
    —— 5-benzyl 3-methyl 1-(4-(methoxycarbonyl)phenyl)-1H-pyrazole-3,5-dicarboxylate 1196966-96-7 C21H18N2O6
    5-benzyl 3-methyl 1-(4-(methoxycarbonyl)phenyl)-1H-pyrazole-3,5-dicarboxylate
    —— 5-(tri-<i>O</i>-benzyl-β-<i>D</i>-ribofuranosyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester 52492-50-9 C33H34N2O8
    5-(tri-<i>O</i>-benzyl-β-<i>D</i>-ribofuranosyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester
    —— (5R)-3-bromo-5-(4-butoxyphenyl)-4,5-dihydro-1,2-oxazole 1256367-19-7 C13H16BrNO2
    (5R)-3-bromo-5-(4-butoxyphenyl)-4,5-dihydro-1,2-oxazole
    —— 5-chloromethyl-2-methylsulfanyl-pyrimidin-4-ylamine; hydrochloride 116974-23-3 C6H8ClN3S*ClH
    5-chloromethyl-2-methylsulfanyl-pyrimidin-4-ylamine; hydrochloride
    —— 5-(2-amino-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-isobutylpyridine-3-sulfonamide 1159824-19-7 C15H18N6O2S
    5-(2-amino-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-isobutylpyridine-3-sulfonamide
    —— 5-[5-Methoxy-2-oxo-1,2-dihydro-indol-(3E)-ylidene]-1-methyl-imidazolidine-2,4-dione 137920-71-9 C13H11N3O4
    5-[5-Methoxy-2-oxo-1,2-dihydro-indol-(3E)-ylidene]-1-methyl-imidazolidine-2,4-dione
    —— 5'-phosphoryladenylyl-(2'-5')-adenylyl-(2'-5')-2',3'-O-(1-methoxyhexadecylidene)adenosine 121768-20-5 C47H70N15O20P3
    5'-phosphoryladenylyl-(2'-5')-adenylyl-(2'-5')-2',3'-O-(1-methoxyhexadecylidene)adenosine
    —— [5-chloro-4-(5-chloro-4-methylaminopyrimidin-2-ylamino)-2-methoxyphenyl]((3R,5S)-dimethylpiperazin-1-yl)methanone 1351760-61-6 C19H24Cl2N6O2
    [5-chloro-4-(5-chloro-4-methylaminopyrimidin-2-ylamino)-2-methoxyphenyl]((3R,5S)-dimethylpiperazin-1-yl)methanone
    —— [(5Z)-5-({1-[4-chloro-2-(trifluoromethyl)benzyl]-1H-indol-5-yl}methylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]acetic acid 1351569-17-9 C22H14ClF3N2O4S
    [(5Z)-5-({1-[4-chloro-2-(trifluoromethyl)benzyl]-1H-indol-5-yl}methylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]acetic acid
    —— 5-{1-tert-butyl-2-[5-(2-morpholin-4-yl-ethoxy)-2-1,2,4-triazol-1-ylphenyl]-1H-benzimidazol-5-yl}pyrimidin-2-ylamine 1310530-80-3 C29H33N9O2
    5-{1-tert-butyl-2-[5-(2-morpholin-4-yl-ethoxy)-2-1,2,4-triazol-1-ylphenyl]-1H-benzimidazol-5-yl}pyrimidin-2-ylamine
    —— 5-chloro-2-methoxy-4-(4-methylamino-5-trifluoromethylpyrimidin-2-ylamino)-N-(1-methylpiperidin-4-yl)benzamide 1351760-62-7 C20H24ClF3N6O2
    5-chloro-2-methoxy-4-(4-methylamino-5-trifluoromethylpyrimidin-2-ylamino)-N-(1-methylpiperidin-4-yl)benzamide
    —— 5-(3-chloropyridin-2-yl)-1-methyl-7-(2-pyridin-2-ylethoxy)-1H-indazole-3-amine 1093966-60-9 C20H18ClN5O
    5-(3-chloropyridin-2-yl)-1-methyl-7-(2-pyridin-2-ylethoxy)-1H-indazole-3-amine
    —— 5,8,11,30,33-Pentaoxa-2,14-dithia-1,15,36,39-tetraazapentacyclo<13.12.8.4<sup>17,26</sup>.0<sup>20,37</sup>.0<sup>22,38</sup>>nonatriaconta-17(36),18,20,22,24,26(39),37-heptaene-2,2,14,14-tetraone 135481-04-8 C28H38N4O9S2
    5,8,11,30,33-Pentaoxa-2,14-dithia-1,15,36,39-tetraazapentacyclo<13.12.8.4<sup>17,26</sup>.0<sup>20,37</sup>.0<sup>22,38</sup>>nonatriaconta-17(36),18,20,22,24,26(39),37-heptaene-2,2,14,14-tetraone
    —— 5-amino-2-benzylidene-7-iminothioazolo<3,2-a>pyrimidin-3-one 129650-64-2 C13H10N4OS
    5-amino-2-benzylidene-7-iminothioazolo<3,2-a>pyrimidin-3-one
    —— (5S,6S)-1-benzoyloxy-9-(tert-butyldimethylsiloxy)-5,6-epoxynonane 1516843-05-2 C22H36O4Si
    (5S,6S)-1-benzoyloxy-9-(tert-butyldimethylsiloxy)-5,6-epoxynonane
    —— 5-Nitro isophthaloyl diglycin 91397-78-3 C12H11N3O8
    5-Nitro isophthaloyl diglycin
    —— 5-(6-chloro-1H-benzodiazol-2-yl)-N-(2-isopropoxyethyl)-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1266343-21-8 C19H21ClN6O
    5-(6-chloro-1H-benzodiazol-2-yl)-N-(2-isopropoxyethyl)-7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
    —— 5-[(dibutylamino)methyl]-1-ethyl-1H-pyrazol-3-amine 1856020-65-9 C14H28N4
    5-[(dibutylamino)methyl]-1-ethyl-1H-pyrazol-3-amine
    —— 5-[(2-ethylpiperidin-1-yl)carbonyl]-1-methyl-1H-pyrazol-3-amine 1856062-97-9 C12H20N4O
    5-[(2-ethylpiperidin-1-yl)carbonyl]-1-methyl-1H-pyrazol-3-amine
    —— 5-phenyl-N-p-tolyl-1,3,4-oxadiazol-2-amine 1617-95-4 C15H13N3O
    5-phenyl-N-p-tolyl-1,3,4-oxadiazol-2-amine
    —— 5-fluoro-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester 942192-25-8 C22H18FNO2
    5-fluoro-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester
    —— 5-(4-methoxyphenyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one 1236565-87-9 C17H16O4
    5-(4-methoxyphenyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one
    —— 5-bromo-2-chloro-N-(2-cycloheptylethyl)pyrimidin-4-amine 1054314-41-8 C13H19BrClN3
    5-bromo-2-chloro-N-(2-cycloheptylethyl)pyrimidin-4-amine
    —— 5a,11b-Dibromo-5a,11b-dihydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone 27150-37-4 C20H8Br2O4
    5a,11b-Dibromo-5a,11b-dihydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone
    —— 5-hydroxymethyl-4-methoxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246173-62-6 C16H16O4S2
    5-hydroxymethyl-4-methoxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 5-fluoro-3-methyl-benzo[b]thiophene-2-sulfonic acid (4-bromo-2-ethyl-phenyl)-amide 1037299-70-9 C17H15BrFNO2S2
    5-fluoro-3-methyl-benzo[b]thiophene-2-sulfonic acid (4-bromo-2-ethyl-phenyl)-amide
    —— 5-(2,4-bis-methoxycarbonylmethoxy-benzoylamino)-2-(2,4-di-tert-pentyl-phenoxy)-benzoic acid-{4-[2-(1-hydroxy-[2]naphthoylamino)-ethyl]-anilide} 108759-99-5 C55H59N3O11
    5-(2,4-bis-methoxycarbonylmethoxy-benzoylamino)-2-(2,4-di-tert-pentyl-phenoxy)-benzoic acid-{4-[2-(1-hydroxy-[2]naphthoylamino)-ethyl]-anilide}
    —— (5-benzylthio-1,3-dimethylpyrazol-4-yl)-N-(2-methyl-2-propenyloxy)-carboxylic acid amide 868681-16-7 C17H21N3O2S
    (5-benzylthio-1,3-dimethylpyrazol-4-yl)-N-(2-methyl-2-propenyloxy)-carboxylic acid amide
    —— 5-chloro-2-(2,2,6,6-tetramethyl-tetrahydro-pyran-4-yloxy)-benzaldehyde 1160656-11-0 C16H21ClO3
    5-chloro-2-(2,2,6,6-tetramethyl-tetrahydro-pyran-4-yloxy)-benzaldehyde
    —— 5-methoxy-2-(2-iodobenzyloxy)aniline 869790-48-7 C14H14INO2
    5-methoxy-2-(2-iodobenzyloxy)aniline
    —— 5'-hydroxy-<i>m</i>-terphenyl-4',6'-dicarboxylic acid 860708-40-3 C20H14O5
    5'-hydroxy-<i>m</i>-terphenyl-4',6'-dicarboxylic acid