diethyl 2-aminopyrimidine-4,5-dicarboxylate

2-(3-nitroquinolin-4-yl)guanidine

4,5-diphenyl-1H-imidazol-2-amine

2-(3-甲基丁2-Enyl)胍

1-(hydrazinylmethylidene)-3-methylthiourea