参考文献

LUPIN LIMITED; ROY, Bhairab, Nath; SINGH, Girij, Pal; LATHI, Piyush, Suresh; AGRAWAL, Manoj, Kunjabihari; PISE, Vijay, Sadashiv Patent: WO2011/141923 A2, 2011 ; Location in patent: Page/Page column 38-39 ;