4-氨基-2-(甲基氨基)-5-嘧啶甲腈

5-amino-1-ethylpyrazole-4-carbonitrile

4-氨基-2-(1-吡咯烷)-5-嘧啶甲腈

2-[[(triphenyl-λ⁵-phosphanylidene)amino]methylidene]propanedinitrile

3-氨基-4-氰基吡咯-2-羧酸甲酯