Inventor

QIU YINHUA

CN2 patents

Patents

2 patents

US9303060B1Apr 5, 2016

Methods of preparing intermediate of fluticasone propionate

AMPHASTAR PHARMACEUTICALS INC0 citations45

US9447067B2Sep 20, 2016

Method of preparing intermediate of salmeterol

AMPHASTAR PHARMACEUTICALS INC0 citations42