N
5-(ethoxycarbonyl)-4-methyl-1-piperazinobiguanide 、
(5Z)-4-(4-Chlorophenyl)-5-[2-(4-methylphenyl)hydrazinylidene]-1,3-thiazol-2(5H)-imine 以
邻二甲苯 为溶剂,
以60%的产率得到N-({3-[4-(4-Chloro-phenyl)-5-p-tolylazo-thiazol-2-yl]-ureido}-imino-methyl)-4-methyl-piperazine-1-carboxamidine