参考文献

NATCO PHARMA LIMITED; KOMPELLA, Amala; ADIBHATLA, Kali Satya Bhujanga Rao; BALINA, Veera Swamy; KASA, Srinivasu; NANNAPANENI, Venkaiah Chowdary Patent: WO2012/17441 A1, 2012 ; Location in patent: Page/Page column 11 ;