79-24-3
硝基乙烷
+
140-88-5
丙烯酸乙酯
→
~96%
87823-46-9
ethyl 3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylate
13327-27-0
6-甲基-3(2H)-哒嗪酮