CADILA HEALTHCARE LIMITED; DWIVEDI, Shriprakash, Dhar; PRASAD, Ashok; PAL, Daya, Ram; SHARMA, Mukul, Hari, Prasad; JAIN, Kuldeep, Natwarlal; PATEL, Naitik, Bharatbhai Patent: WO2013/98833 A2, 2013 ;