Oseltamivir EP Impurity E

Olmesartan USP RC A ; Olmesartan gama-Lactone ; Olmesartan Lactone ; 3, 6-Dihydro-6, 6-dimethyl-2-propyl-3-[[2'-(2H-tetrazol-5-yl)[1, 1'-biphenyl]-4-yl]methyl]-4H-furo[3, 4-d]imidazol-4-one ;