| 1 | 77202-08-5 | NISTC77202085 | NISTC77202085 | C4H5N3
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| 2 | 5049-61-6 | 2-氨基吡嗪 | 2-aminopyrazine | C4H5N3
| 吡嗪;哌嗪;其他;中间体;吡嗪类;通用试剂;杂环砌块;化工原料;医药原料;化工材料 | |
| 3 | 20744-39-2 | 4-氨基哒嗪 | 4-Pyridazinamine | C4H5N3
| 哒嗪;合成;杂环化合物;氨基酸衍生化合物;中间体-有机中间体 | |
| 4 | 109-12-6 | 2-氨基嘧啶 | 2-Aminopyrimidine | C4H5N3
| 核苷;碱基;嘧啶;嘧啶类;通用试剂;杂环砌块;医药中间体;精细化学品;合成材料中间体;生化试剂-其他化学试剂 | 医药中间体 |
| 5 | 628-87-5 | 亚氨基二乙腈 | Iminodiacetonitrile | C4H5N3
| 腈;腈类;氰化物;有机砌块;有机原料;通用试剂;化工原料;农药中间体;农药原料药;化工中间体 | |
| 6 | 2222933-95-9 | 5-氨基嘧啶-D3 | pyrimidin-d3-5-amine | C4H5N3
| | |
| 7 | 2764-83-2 | 1-乙烯基-1,2,4-三唑 | 1-VINYL-1,2,4-TRIAZOLE | C4H5N3
| | |
| 8 | 24108-33-6 | 3 - 甲基-1,2,4 - 三嗪 | 3-Methyl-1,2,4-triazine | C4H5N3
| | |
| 9 | 86402-30-4 | | 1,2,3-Triazine, 5-methyl- | C4H5N3
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| 10 | 163133-86-6 | 4(1H)-Pyrimidinimine (9CI) | 4(1H)-Pyrimidinimine (9CI) | C4H5N3
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| 11 | 41917-22-0 | 1H-1,2,3-Triazole, 1-ethenyl- | 1H-1,2,3-Triazole, 1-ethenyl- | C4H5N3
| 芳香族 | 芳香族 |
| 12 | 176773-04-9 | 2(1H)-Pyrimidinimine, (E)- (9CI) | 2(1H)-Pyrimidinimine, (E)- (9CI) | C4H5N3
| | |
| 13 | | 2-[(cyanomethyl)amino]acetonitrile | 2-[(cyanomethyl)amino]acetonitrile | C4H5N3
| | |
| 14 | 2254648-49-0 | 3H-Diazirine-3-methanamine, 3-ethynyl- | 3H-Diazirine-3-methanamine, 3-ethynyl- | C4H5N3
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