| 1 | 4975-21-7 | 3,4-二甲基-1,2,5-噁二唑 | Dimethylfurazan | C4H6N2O
| | |
| 2 | | NITROSOPYRROLINE | NITROSOPYRROLINE | C4H6N2O
| | |
| 3 | | METHYL PYRAZOLONE | METHYL PYRAZOLONE | C4H6N2O
| | |
| 4 | 494793-39-4 | 2-BUTYNYLHYDRAZIDE | 2-BUTYNYLHYDRAZIDE | C4H6N2O
| | |
| 5 | 5221-62-5 | 丙炔基脲 | 1-(prop-2-ynyl)urea | C4H6N2O
| 炔烃 | |
| 6 | 1116-54-7 | N-亚硝基二乙醇胺 | Diethanolnitrosamine | C4H6N2O
| 亚硝胺类 | |
| 7 | 108-26-9 | 3-甲基吡唑-5-酮 | 3-Methyl-5-Pyrazolone | C4H6N2O
| 吡唑;吡唑类;通用试剂;杂环砌块;医药中间体;有机化工原料 | |
| 8 | 23585-49-1 | 3-羟甲基吡唑 | 1H-pyarzole-3-methanol | C4H6N2O
| 吡唑系列 | |
| 9 | 35629-70-0 | 2-氨基-4-甲基噁唑 | 2-Amino-4-methyloxazole | C4H6N2O
| | |
| 10 | 14678-02-5 | 3-甲基-5氨基异噁唑 | 3-methylisoxazol-5-amine | C4H6N2O
| 唑类;异恶唑;化工中间体 | |
| 11 | 1072-67-9 | 3-氨基-5-甲基异恶唑 | 3-Amino-5-methylisoxazole | C4H6N2O
| 异恶唑;对甲基;氮杂环;小分子抑制剂 | |
| 12 | 33641-15-5 | 1-甲基-5-羟基吡唑 | 5-Hydroxy-1-methylpyrazole | C4H6N2O
| 合成;吡唑系列;医药中间体;杂环化合物;化工中间体;有机化工中间体;合成材料中间体;咪唑,吡唑等衍生物 | |
| 13 | 5652-84-6 | 氰基甲酯 | Methyl N-cyanoethanimideate | C4H6N2O
| 农药中间体;其他杀虫剂;化工中间体;杀虫剂中间体;氰、异氰酸及衍生物 | 农药中间体 |
| 14 | | (E)-ethyl N-cyanoformimidate | (E)-ethyl N-cyanoformimidate | C4H6N2O
| | |
| 15 | 52867-35-3 | 1-甲基-1H-吡唑-3(2H)-酮 | 1-Methyl-1H-pyrazol-3(2H)-one | C4H6N2O
| 咪唑,吡唑等衍生物 | |
| 16 | 35143-75-0 | 4-甲基-5-异恶唑胺 | 5-Isoxazolamine,4-methyl-(9CI) | C4H6N2O
| | |
| 17 | | N1-METHYL-2-CYANOACETAMIDE, TECH | N1-METHYL-2-CYANOACETAMIDE, TECH | C4H6N2O
| | |
| 18 | 1527935-38-1 | 3-Hydroxyazetidine-3-carbonitrile | 3-Hydroxyazetidine-3-carbonitrile | C4H6N2O
| | |
| 19 | 367906-68-1 | 3-羟基氮杂环丁烷-1-甲腈 | 1-Azetidinecarbonitrile, 3-hydroxy- | C4H6N2O
| | |
| 20 | 4428-98-2 | N-氰基甲亚胺乙酯 | N-Cyanomethanimidic acid ethyl ester | C4H6N2O
| | |
| 21 | 55242-82-5 | 4-噁唑甲胺 | OXAZOL-4-YL-METHYLAMINE HYDROCHLORIDE | C4H6N2O
| | |
| 22 | 1192-34-3 | 4-甲基-1,3-二氢咪唑-2-酮 | 1,3-Dihydro-4-methyl-2H-imidazol-2-one | C4H6N2O
| | |
| 23 | 4915-81-5 | 4H-Imidazol-4-one,3,5-dihydro-2-methyl- | 4H-Imidazol-4-one,3,5-dihydro-2-methyl- | C4H6N2O
| | |
| 24 | 61892-75-9 | | 2H-Imidazol-2-one, 1,5-dihydro-5-methyl- | C4H6N2O
| | |
| 25 | | 3-METHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE, TECH | 3-METHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE, TECH | C4H6N2O
| | |
| 26 | 57707-21-8 | | 3H-Pyrazolium, 4-hydroxy-2-methyl-, inner salt | C4H6N2O
| | |
| 27 | 88945-41-9 | Methanimidic acid, N-(cyanomethyl)-, methyl ester | Methanimidic acid, N-(cyanomethyl)-, methyl ester | C4H6N2O
| | |
| 28 | 13148-65-7 | 2,5-二甲基-1,3,4-噁二唑 | Dibenz(A,J)anthracene trans-3,4-diol-syn-1,2-epoxide | C4H6N2O
| 氮杂环 | |