3-[2-(4-{4-[N'-(3,5-diamino-6-chloropyrazine-2-carbonyl)guanidino]butyl}phenoxy)ethylamino]pentanedioic acid dimethyl ester 在
盐酸 作用下,
以
甲醇 为溶剂,
生成 3-[2-(4-{4-[N'-(3,5-diamino-6-chloropyrazine-2-carbonyl)guanidino]butyl}phenoxy)ethylamino]pentanedioic acid dimethyl ester dihydrochloride