摘要：

The intermediate 1-(carboxyphenyl)biguanidine hydrochloride(CPBGH) were synthesized applied o,m,p-aminobenzoic acid(o,m,p-ABA) as raw material,respectively,reacted with dicyandiamide in the presence of hydrochloric.The products were characterized by FI-IR,UV,1H-NMR.

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