| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5,8-二氯吡嗪并[2,3-d]哒嗪 | 5,8-Dichlorpyrazino<2,3-d>pyridazin | 13480-43-8 | C6H2Cl2N4 |
| 5,8-二氯吡啶并[3,2-d]哒嗪 | 5,8-Dichloropyrido<2,3-d>pyridazine | 703-33-3 | C7H3Cl2N3 |
| 5,8-二丁氧基-3-氯-喹喔啉-2-基胺 | 5,8-dibutoxy-3-chloro-quinoxalin-2-ylamine | 101269-94-7 | C16H22ClN3O2 |
| 5,7-二苯基-吡唑并[1,5-a]嘧啶-3-羧酸乙酯 | ethyl 5,7-diphenylpyrazolo[1,5-a]pyrimidine-3-carboxylate | 895764-31-5 | C21H17N3O2 |
| 5,7-二羟基噻唑并[4,5-d]嘧啶 | [1,3]thiazolo[4,5-d]pyrimidine-5,7-diol | 7464-09-7 | C5H3N3O2S |
| 5,7-二甲基[1,3]恶唑并[5,4-d]嘧啶 | 5,7-dimethyl-oxazolo[5,4-<i>d</i>]pyrimidine | 120266-89-9 | C7H7N3O |
| 5,7-二甲基[1,3,4]噻二唑并[3,2-a]嘧啶-4-鎓-2-硫醇 | 5,7-dimethyl-2-thio-1,3,4-thiadiazolo<3,2-a>pyrimidine | 87253-83-6 | C7H7N3S2 |
| 5,7-二甲基-5H-嘧啶并[4,5-e][1,2,4]三嗪-6,8-二酮 | 5,7-Dimethylpyrimido<4.5-e>-1,2,4-triazinedione, isofervenulin | 16044-79-4 | C7H7N5O2 |
| 5,7-二溴苯并[3,4-b]吡嗪 | 2,5-dibromothieno[3,4-b]pyrazine | 207805-24-1 | C6H2Br2N2S |
| 5,7-二溴-2-(4-氯-1-氧代萘-2(1H)-亚基)-1H-吲哚-3(2H)-酮 | 1-(4-Iodophenyl)-1,3-diazinane-2,4,6-trione | 6369-45-5 | C10H7IN2O3 |
| 5,7-二氯噻唑并[4,5-D]嘧啶 | 5,7-dichlorothiazolo[4,5-d]pyrimidine | 1137278-39-7 | C5HCl2N3S |
| 5,7-二氮杂螺[2.5]辛烷-4,6,8-三酮 | pyrimidine-5-spirocyclopropane-2,4,6(1H,3H,5H)-trione | 6947-77-9 | C6H6N2O3 |
| 5,7-二氢-5,7-二甲基-呋喃并[3,4-b]吡嗪 | 5,7-Dimethyl-5,7-dihydrofuro[3,4-b]pyrazine | 35162-56-2 | C8H10N2O |
| 5,6二氨基-1-异丙基尿嘧啶 | 5,6-diamino-1-isopropylpyrimidine-2,4(1H,3H)-dione | 113885-21-5 | C7H12N4O2 |
| 5,6-二苯基哒嗪-3,4-二羧酸 | 5,6-diphenylpyridazine-3,4-dicarboxylic acid | 253144-69-3 | C18H12N2O4 |
| 5,6-二苯基-吡嗪-2-羧酸 | 5,6-diphenyl-pyrazine-2-carboxylic acid | 13515-07-6 | C17H12N2O2 |
| 5,6-二苯基-S-三唑并[4,3-a]吡嗪 | 5,6-Diphenyl-s-triazolo<4,3-a>pyrazin | 6969-76-2 | C17H12N4 |
| 5,6-二苯基-2-甲基哒嗪-3-酮 | 5,6-Diphenyl-2-methylpyridazin-3-one | 101444-26-2 | C17H14N2O |
| 5,6-二肼基[1,2,5]恶二唑并[3,4-b]吡嗪 | 4,5-dihydrazinofurazano<3,4-b>pyrazine | 180622-15-5 | C4H6N8O |
| 5,6-二羟基嘧啶-4-羧酸 | 4,5-Dihydroxy-6-carboxy-pyrimidin | 52412-10-9 | C5H4N2O4 |
| 5,6-二羟基吡嗪-2-羧酸 | 5,6-dihydroxy-2-pyrazinecarboxylic acid | 77168-80-0 | C5H4N2O4 |
| 5,6-二羟基吡嗪-2,3-二羧酸 | 1,4-dihydropyrazine-2,3-dione-5,6-dicarboxylic acid | 58084-27-8 | C6H4N2O6 |
| 5,6-二羟基-嘧啶-4-羧酸甲酯 | methyl 5,6-dihydroxypyrimidine-4-carboxylate | 518047-31-9 | C6H6N2O4 |
| 5,6-二羟基-5-甲基-1,3-二嗪农-2,4-二酮 | thymine glycol | 2943-56-8 | C5H8N2O4 |
| 5,6-二羟基-2-苯基嘧啶-4-羧酸 | 5,6-dihydroxy-2-phenylpyrimidine-4-carboxylic acid | 62222-38-2 | C11H8N2O4 |
| 5,6-二羟基-2-苯基-嘧啶-4-羧酸甲酯 | methyl 5-hydroxy-6-oxo-2-phenyl-1,6-dihydropyrimidine-4-carboxylate | 62222-36-0 | C12H10N2O4 |
| 5,6-二羟基-2-甲基嘧啶-4-甲酰胺 | 5,6-Dihydroxy-2-methyl-pyrimidine-4-carboxylic acid amide | 954240-97-2 | C6H7N3O3 |
| 5,6-二羟基-2-异丙基嘧啶-4-甲酸甲酯 | methyl 5-hydroxy-2-isopropyl-6-oxo-1,6-dihydropyrimidin-4-carboxylate | 954241-01-1 | C9H12N2O4 |
| 5,6-二羟基-2-异丙基嘧啶-4-甲酸 | 5,6-Dihydroxy-2-isopropyl-pyrimidine-4-carboxylic acid | 954241-05-5 | C8H10N2O4 |
| 5,6-二羟基-2-异丙基嘧啶-4-甲酰胺 | 5,6-Dihydroxy-2-isopropylpyrimidine-4-carboxamide | 954241-13-5 | C8H11N3O3 |
| 5,6-二羟基-2-对甲苯-嘧啶-4-羧酸甲酯 | methyl 5,6-dihydroxy-2-(4-methylphenyl)pyrimidine-4-carboxylate | 519032-06-5 | C13H12N2O4 |
| 5,6-二羟基-2-噻吩-2-基-嘧啶-4-羧酸甲酯 | methyl 5,6-dihydroxy-2-thien-2-ylpyrimidine-4-carboxylate | 391680-92-5 | C10H8N2O4S |
| 5,6-二羟基-2-吡啶-2-基-嘧啶-4-羧酸甲酯 | methyl 5,6-dihydroxy(pyridin-2-yl)pyrimidine-4-carboxylate | 849475-89-4 | C11H9N3O4 |
| 5,6-二羟基-1,3-二甲基嘧啶-2,4-二酮 | 5,3-Dimethyl-2,4(1H,3H)-pyrimidinedione | 67934-78-5 | C6H8N2O4 |
| 5,6-二甲氧基-3-吡嗪胺 | 3-Amino-5,6-dimethoxy-pyridazin | 89465-09-8 | C6H9N3O2 |
| 5,6-二甲基尿嘧啶 | 5,6-dimethyluracil | 26305-13-5 | C6H8N2O2 |
| 5,6-二甲基嘧啶-4-醇 | 4,5-dimethyl-1H-pyrimidin-6-one | 34916-78-4 | C6H8N2O |
| 5,6-二甲基吡嗪-2-胺 | 2-amino-5,6-dimethylpyrazine | 6294-70-8 | C6H9N3 |
| 5,6-二甲基吡嗪-2-甲酸甲酯 | methyl 5,6-dimethylpyrazinecarboxylate | 1234504-26-7 | C8H10N2O2 |
| 5,6-二甲基吡嗪-2,3-二甲酰胺 | 5,6-dimethyl-pyrazine-2,3-dicarboxylic acid diamide | 80356-88-3 | C8H10N4O2 |
| 5,6-二甲基-吡嗪-2,3-二胺 | 5,6-dimethyl-pyrazine-2,3-diamine | 53114-83-3 | C6H10N4 |
| 5,6-二甲基-[1,2,5]噁二唑并[3,4-b]吡嗪 | 5,6-Dimethyl-[1,2,5]oxadiazolo[3,4-b]pyrazine | 820250-52-0 | C6H6N4O |
| 5,6-二甲基-4-羟基-2-甲氧基嘧啶 | 5,6-dimethyl-2-methoxy-4(3H)-pyrimidinone | 55996-08-2 | C7H10N2O2 |
| 5,6-二甲基-4-嘧啶胺 | 5,6-dimethyl-pyrimidin-4-ylamine | 54568-12-6 | C6H9N3 |
| 5,6-二甲基-4-嘧啶甲腈 | 5,6-Dimethylpyrimidine-4-carbonitrile | 114969-82-3 | C7H7N3 |
| 5,6-二甲基-4,5,6,7-四氢噻唑并[5,4-c]吡嗪 | 5,6-dimethyl-4,5,6,7-tetrahydrothiazolo[4,5-d]-pyridazine | 259810-02-1 | C7H11N3S |
| 5,6-二甲基-3-氧代-3,4-二氢吡嗪-2-羧酰胺 | 5,6-dimethyl-3-oxo-3,4-dihydropyrazine-2-carboxamide | 90000-71-8 | C7H9N3O2 |
| 5,6-二甲基-3-氧代-3,4-二氢-吡嗪-2-羧酸 | 5,6-Dimethyl-3-oxo-3,4-dihydropyrazine-2-carboxylic acid | 57796-64-2 | C7H8N2O3 |
| 5,6-二甲基-3-氧代-2H-吡嗪-4-甲腈 | 5,6-dimethyl-3-oxo-2,3-dihydropyridazine-4-carbonitrile | 40380-36-7 | C7H7N3O |
| 5,6-二甲基-3-吡咯-2-基-[1,2,4]三嗪 | 5,6-dimethyl-3-pyrrol-2-yl-[1,2,4]triazine | 102589-19-5 | C9H10N4 |