40953-34-2
2-氨基-4,5-咪唑二腈
→
146091-72-7
(9ci)-2-氨基-5-氰基-1-甲基-1H-咪唑-4-羧酸乙酯
77-78-1
硫酸二甲酯
+
75877-59-7
ethyl 2-amino-4(5)-cyano-5(4)-imidazolecarboxylate
146091-70-5
ethyl 2-amino-4-cyano-1-methyl-5-imidazolecarboxylate