TAKEDA CHEMICAL INDUSTRIES, LTD.
Patent: WO2004/46107 A1, 2004 ;
Location in patent: Page 227-228 ;
WO 2004/046107 A1

Nate; Watanabe; Matsuki; Inoue; Ohtsuka; Sekine; Oda; Honma; Ishida; Kanno
Chemical and Pharmaceutical Bulletin, 1987 , vol. 35, # 7 p. 2825 - 2839