AUROBINDO PHARMA LIMITED; NANDI, Sukumar; GONA, Balanarasimha Reddy; AKKINA, Naresh; GORIMELLA, Narayan Krishna Anjaneya Subramanya Sambho; KOILPILLAI, Joseph Prabahar; MEENAKSHISUNDERAM, Sivakumaran Patent: WO2012/140490 A2, 2012 ;