1124-11-4
2,3,5,6-四甲基吡嗪
→
~90%
22978-83-2
Pyrazine, tetramethyl-, 1-oxide (8CI,9CI)
+
22978-84-3
2,3,5,6-tetramethyl-4-oxidopyrazin-1-ium 1-oxide
~82%