59-67-6
烟酸
+
553-53-7
3-吡啶甲酰肼
→
~87%
15420-57-2
2,5-双(3-吡啶)-1,3,4-噁二唑
~66%
840-78-8
1,2-Bis[(3-pyridinyl)carbonyl]hydrazine