1 Dec 2015 To the best of our knowledge, the isomeric N-2-medoxomil impurity 9 is a new Synthesis and HPLC data of olmesartan medoxomil (OM, 7) samples. .. 1H-NMR spectra of 2 (A), 3 (, 6 (C), 9 (D) and 10 (E) in CDCl3 propeciat.com propecia before after