Ethyl N-(((5-chloro-8-quinolinyl)oxy)-carbonyl)glycinate 、
甲烷磺酸 在
乙醇 作用下,
以
异丙醇 为溶剂,
以to give the purified ethyl N-(((5-chloro-8-quinolinyl)oxy)carbonyl)glycinate methanesulfonic acid salt as white fibrous crystals, m.p. 108°-110° C.的产率得到Ethyl N-(((5-chloro-8quinolinyl)oxy)carbonyl)glycinate methanesulfonic acid salt