Naito, Ryo; Takeuchi, Makoto; Morihira, Koichiro; Hayakawa, Masahiko; Ikeda, Ken; Shibanuma, Tadao; Isomura, Yasuo
Chemical and Pharmaceutical Bulletin, 1998 , vol. 46, # 8 p. 1286 - 1294

Reddy, N. Veera; Prasad, K. Rajendra; Reddy, P. Sudhir; Lakshmi Kantam; Reddy, K. Rajender
Organic and Biomolecular Chemistry, 2014 , vol. 12, # 14 p. 2172 - 2175

ACTELION PHARMACEUTICALS LTD
Patent: WO2005/94816 A1, 2005 ;
Location in patent: Page/Page column 70 ;
WO 2005/094816 A1