we can supply both API and INTERMEDIATES of Darifenacin HBr as following:
1)2,3-dihydrobenzofuranyl-5-acetic acid cas NO.:69999-16-2
2) 5-(2-bromoethyl)-2,3-dihydrobenzofuran cas NO.:127264-14-6
3)2,2-Diphenyl-2-[(3S)-pyrrolidin-3-yl]acetamide L-(+)-tartrate cas NO.:134002-26-9
Dalian Richon Chem CO., Ltd .is one of the Chinese leading suppliers in Drugs field in the international market for nearly 10 years. We have technical institute locate in Beijing with R&D group as our supporter. We have earned a good reputation by supplying products in superior quality with the most competitive price.