50-00-0
甲醛
+
115-69-5
2-氨基-2-甲基-1,3-丙二醇
71-43-2
苯
→
7747-34-4
7a-methyl-1,3,5,7-tetrahydro-[1,3]oxazolo[3,4-c][1,3]oxazole