N-(4-bromophenyl)-2-cyanoacetamide

4-氨基-2,6-二羟基嘧啶

1-乙基-6-羟基-4-甲基-2-氧代-1,2-二氢吡啶-3-甲腈

1H-1,2,3-三氮唑

ethyl 5-amino-1-p-tolyl-1H-1,2,3-triazole-4-carboxylate