55408-10-1
5-甲酸乙酯四氮唑
+
74-88-4
甲基碘
→
91511-38-5
Ethyl 2-methyl-2H-tetrazole-5-carboxylate
91616-41-0
1-甲基-1H-四唑e-5-羧酸乙酯