参考文献

AZAD PHARMACEUTICAL INGREDIENTS AG; RAMAKRISHNAN, Arul; SONI, Anil Kumar; ADHIKARI, Sujit Das; RAO, Kommula Srinivasa; PAUL, Soumendu; SRINIVASULU, Ganta Patent: WO2010/103115 A1, 2010 ; Location in patent: Page/Page column 15-16 ;