Olmesartan EP Impurity A

Ofloxacin EP Impurity B ; Ofloxacin Descarboxyl Impurity ; (RS)-9-Fluoro-2, 3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1, 2, 3-de]-1, 4-benzoxazine ;