The present invention is directed to a new impurity of famotidine, process for preparing and isolating it. The invention is further related to analytical methods of its identification, synthesis and characterization.
本发明涉及法莫替丁的一种新杂质,其制备和分离的过程。该发明还涉及其鉴定、合成和表征的分析方法。
YANAGISAWA, ISAO;HIRATA, YASUFUMI;ISHII, YOSHIO, J. MED. CHEM., 30,(1987) N 10, 1787-1793