107209-21-2
3-buten-2-yl 3,5,6-trimethyl-2-pyrazinylacetate
→
~47%
107209-24-5
[1,2,4]三唑并[1,5-C]嘧啶,8-甲氧基-2-甲基-
1124-11-4
2,3,5,6-四甲基吡嗪
+
4784-77-4
1-溴-2-丁烯
~4%