DR. REDDY'S LABORATORIES LTD.; DR. REDDY'S LABORATORIES, INC.; KATKAM, Srinivas; SAGYAM, Rajeshwar Reddy; SUNKARA, Vishnuvardhan; MUNAGALA, Sridhar; MUTTAVARAPU, Murali Mohan Patent: WO2010/56656 A2, 2010 ; Location in patent: Page/Page column 20-21 ;