N'-cyanoethanimidamide

(4Z)-5-methyl-4-[[2-(4-nitrophenyl)hydrazinyl]methylidene]-2-phenylpyrazol-3-one

2-(4-acetylphenyl)guanidine

1-(3,4-二甲氧基苯基)胍

2-(3,4,5-trimethoxyphenyl)guanidine