5521-55-1
2-羧基-5-甲基吡嗪
+
100-51-6
苯甲醇
→
~84%
1033418-57-3
Benzyl (5-methylpyrazin-2-yl)carbamate
4129-17-3
二苯基膦叠氮化物
7087-68-5
N,N-二异丙基乙胺