2-氨基-4-羟基-8,9-二氢-5H-嘧啶并[4,5-D]氮杂卓-7(6H)-羧酸叔丁酯

双胍

氰酸铵

5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4,6-triamine

7-fluoro-1-hydroxy-7H-1,2,4-benzotriazin-3-amine