1-methyl-2-[(4-amidinophenyl)-thiomethyl]-5-[N-(ethoxycarbonylmethyl)-quinoline-8-sulphonylamino]-benzimidazole 在
sodium hydroxide 作用下,
以76%的产率得到1-methyl-2-[(4-amidinophenyl)-thiomethyl]-5-[N-(hydroxycarbonylmethyl)-quinoline-8-sulphonylamino]-benzimidazole