| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5-嘧啶-2-基吡啶-2-胺 | 5-(2-pyrimidinyl)-2-pyridinamine | 827588-87-4 | C9H8N4 |
| 5-哌啶-1-基吡嗪-2-羧酸 | 5-(piperidin-1-yl)pyrazine-2-carboxylic acid | 1210707-88-2 | C10H13N3O2 |
| 5-呋喃亚甲基-2-硫代巴比妥酸 | CD00509 | 27430-18-8 | C9H6N2O3S |
| 5-呋喃-2-基-吡嗪-2-醇 | 2-Hydroxy-5-(2'-furyl)pyrazine | 82619-62-3 | C8H6N2O2 |
| 5-呋喃-2-基-3-甲基-6-苯基-2,5-二氢-[1,2,4]三嗪 | 5-Furan-2-yl-3-methyl-6-phenyl-2,5-dihydro-[1,2,4]triazine | 104721-11-1 | C14H13N3O |
| 5-吡嗪-2-羧酸叔丁酯 | 5-tert-butylpyrazine-2-carboxylic acid | 242813-48-5 | C9H12N2O2 |
| 5-吡嗪-2-基-3H-1,3,4-恶二唑-2-硫酮 | 5-(pyrazin-2-yl)-1,3,4-oxadiazole-2(3H)-thione | 37545-39-4 | C6H4N4OS |
| 5-吡嗪-2-基-1,2-二氢-1,2,4-三唑-3-硫酮 | 5-pirazynylo-1,2,4-triazolo-3-tiol | 3458-03-5 | C6H5N5S |
| 5-叠氮基-4-氯-2H-哒嗪-3-酮 | 5-azido-4-chloropyridazin-3(2H)-one | 40175-80-2 | C4H2ClN5O |
| 5-叠氮基-4-氯-2-苯基哒嗪-3-酮 | 5-azido-4-chloro-2-phenylpyridazin-3(2H)-one | 1503-68-0 | C10H6ClN5O |
| 5-叠氮基-3-甲基-2-苯基吡嗪 | 2-azido-6-methyl-5-phenylpyrazine | 83505-93-5 | C11H9N5 |
| 5-叔丁基过氧-5-(alpha-甲基苄基)巴比妥酸 | 5-tert-butylperoxy-5-(2-phenylethyl)-1,3-diazinane-2,4,6-trione | 53761-08-3 | C16H20N2O5 |
| 5-叔丁基磺酰基-2-甲基嘧啶-4-胺 | 5-(Tert-butylsulfonyl)-2-methylpyrimidin-4-amine | 175201-85-1 | C9H15N3O2S |
| 5-叔丁基磺酰基-2-(4-吡啶基)嘧啶-4-胺 | 5-(tert-Butylsulfonyl)-2-(4-pyridyl)pyrimidin-4-amine | 175202-18-3 | C13H16N4O2S |
| 5-叔丁基磺酰基-2-(2-吡啶)嘧啶-4-胺 | 5-(Tert-butylsulfonyl)-2-(2-pyridyl)pyrimidin-4-amine | 175202-19-4 | C13H16N4O2S |
| 5-叔丁基嘧啶-2-胺 | 5-(tert-Butyl)pyrimidin-2-amine | 94615-68-6 | C8H13N3 |
| 5-叔丁基-6-氯-N-(1,3-噻唑-2-基)吡嗪-2-甲酰胺 | 5-tert-Butyl-6-chloro-pyrazine-2-carboxylic acid thiazol-2-ylamide | 879547-27-0 | C12H13ClN4OS |
| 5-十四烷基嘧啶-2,4,6-三胺 | 5-Tetradecylpyrimidine-2,4,6-triamine | 94087-77-1 | C18H35N5 |
| 5-十六烷基嘧啶-2,4,6-三胺 | 5-Hexadecylpyrimidine-2,4,6-triamine | 94087-80-6 | C20H39N5 |
| 5-十八烷基嘧啶-2,4,6-三胺 | 5-Octadecylpyrimidine-2,4,6-triamine | 94087-81-7 | C22H43N5 |
| 5-十二烷基嘧啶-2,4,6-三胺 | 5-Dodecylpyrimidine-2,4,6-triamine | 94087-76-0 | C16H31N5 |
| 5-仲丁基-5-环己基巴比妥酸 | 5-<i>sec</i>-butyl-1-cyclohexyl-pyrimidine-2,4,6-trione | 841-72-5 | C14H22N2O3 |
| 5-仲丁基-2,3-二甲基吡嗪 | 2,3-dimethyl-5-(1-methylpropyl)-pyrazine | 32263-00-6 | C10H16N2 |
| 5-仲丁基-1,5-二甲基巴比妥酸 | 1,5-Dimethyl-5-sec-butyl-barbitursaeure | 4325-43-3 | C10H16N2O3 |
| 5-仲-丁基巴比妥酸 | 5-sec-butylbarbituric acid | 14077-79-3 | C8H12N2O3 |
| 5-仲-丁基-5-乙基-1-甲基-2-硫代-2,3-二氢嘧啶-4,6(1H,5H)-二酮 | 5-sec-Butyl-5-ethyl-1-methyl-2-thio-barbituric acid | 29639-65-4 | C11H18N2O2S |
| 5-仲-丁基-5-丙基巴比妥酸 | 5-<i>sec</i>-butyl-5-propyl-barbituric acid | 67050-59-3 | C11H18N2O3 |
| 5-仲-丁基-5-(乙硫基甲基)-2-钠硫基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(ethylsulfanylmethyl)-6-oxo-2-sulfanylidenepyrimidin-4-olate | 67050-34-4 | C11H17N2NaO2S2 |
| 5-仲-丁基-5-(乙硫基甲基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(ethylsulfanylmethyl)-2,6-dioxopyrimidin-4-olate | 67050-32-2 | C11H17N2NaO3S |
| 5-仲-丁基-5-(丁基硫甲基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(butylsulfanylmethyl)-2,6-dioxopyrimidin-4-olate | 67050-23-1 | C13H21N2NaO3S |
| 5-仲-丁基-5-(2-甲基-2-丙烯基)-2-钠氧基-4,6(1H,5H)-嘧啶二酮 | Sodium;5-butan-2-yl-5-(2-methylprop-2-enyl)-2,6-dioxopyrimidin-4-olate | 67050-42-4 | C12H17N2NaO3 |
| 5-仲-丁基-5-(1-甲基-2-丙烯基)-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-(Butan-2-yl)-5-(but-3-en-2-yl)pyrimidine-2,4,6(1H,3H,5H)-trione | 67050-40-2 | C12H18N2O3 |
| 5-仲-丁基-2,3-二氢-5-异丁基-2-硫代-4,6(1H,5H)-嘧啶二酮 | 5-sec-Butyl-5-isobutyl-2-thiobarbituric acid | 67050-36-6 | C12H20N2O2S |
| 5-仲-丁基-2,3-二氢-5-丙基-2-硫代-4,6(1H,5H)-嘧啶二酮 | 5-<i>sec</i>-butyl-5-propyl-2-thio-barbituric acid | 67050-60-6 | C11H18N2O2S |
| 5-仲-丁基-1,3-二甲基-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-<i>sec</i>-butyl-1,3-dimethyl-barbituric acid | 7391-63-1 | C10H16N2O3 |
| 5-仲-丁基-1,3-二环己基-2,4,6(1H,3H,5H)-嘧啶三酮 | 5-<i>sec</i>-butyl-1,3-dicyclohexyl-pyrimidine-2,4,6-trione | 745-31-3 | C20H32N2O3 |
| 5-亚硝基-6-氨基-3-乙基-1,3-二氢嘧啶-2,4-二酮 | 5-nitroso-6-amino-3-ethyl-1,3-dihydropyrimidine-2,4-dione | 1019659-02-9 | C6H8N4O3 |
| 5-亚硝基-6-(苯基甲氧基)-2,4-嘧啶二胺 | 2,4-diamino-6-(benzyloxy)-5-nitrosopyrimidine | 101724-61-2 | C11H11N5O2 |
| 5-亚硝基-4,6-嘧啶二胺 | 5-nitrosopyrimidine-4,6-diamine | 61908-15-4 | C4H5N5O |
| 5-亚硝基-2-苯基嘧啶-4,6-二胺 | 4,6-diamino-5-nitroso-2-phenylpyrimidine | 56472-04-9 | C10H9N5O |
| 5-亚硝基-2,4,6-三氨基嘧啶 | 5-nitroso-2,4,6-triaminopyrimidine | 1006-23-1 | C4H6N6O |
| 5-亚环己基-1,3-二乙基-嘧啶-2,4,6-三酮 | 5-cyclohexylidene-1,3-diethyl-pyrimidine-2,4,6-trione | 100876-18-4 | C14H20N2O3 |
| 5-二甲氨基甲基-2-甲基-嘧啶-4-基胺 | 5-dimethylaminomethyl-2-methyl-pyrimidin-4-ylamine | 23132-64-1 | C8H14N4 |
| 5-二氟甲基尿嘧啶 | 5-Difluormethyl-uracil | 670-19-9 | C5H4F2N2O2 |
| 5-二氟甲基吡嗪-2-甲酸 | 5-(difluoromethyl)pyrazine-2-carboxylic acid | 1174321-06-2 | C6H4F2N2O2 |
| 5-乙酰氨甲基-4-氨基-2-甲基嘧啶 | <i>N</i>-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-acetamide | 23676-63-3 | C8H12N4O |
| 5-乙酰氨基-6-甲酰基氨基-3-甲基脲嘧啶 | 5-Acetylamino-6-formylamino-3-methyluracil | 85438-96-6 | C8H10N4O4 |
| 5-乙酰氧基甲基-2-氨基-3-氰吡嗪 | 6-acetoxymethyl-3-amino-pyrazine-2-carbonitrile | 54798-28-6 | C8H8N4O2 |
| 5-乙酰氧基-1-(6-甲基-哒嗪-3-基)-1H-吡唑-3-羧酸甲酯 | Methyl 5-acetyloxy-1-(6-methylpyridazin-3-yl)pyrazole-3-carboxylate | 110364-05-1 | C12H12N4O4 |
| 5-乙酰基-吡嗪羧酸 | 5-Acetyl-2-pyrazinecarboxylic acid | 118543-96-7 | C7H6N2O3 |