methyl 4'-[[2-n-propyl-4-methyl-6-[2-cyano-3,3-[bis(2-diethylaminoethyl)]-guanidino]-1H-benzimidazol-1-yl]-methyl]-biphenyl-2-carboxylate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
以28.8%的产率得到4'-[[2-n-Propyl-4-methyl-6-[2-cyano-3,3-[bis(2-diethylaminoethyl)]-guanidino]-1H-benzimidazol-1-yl]methyl]-biphenyl-2-carboxylic acid