Adachi, Keiichi; Sugiyama, Yuichi; Yoneda, Ko; Yamada, Koichi; Nozaki, Koichi; Fuyuhiro, Akira; Kawata, Satoshi
Chemistry - A European Journal, 2005 , vol. 11, # 22 p. 6616 - 6628

Am. Cyanamid Co.
Patent: US2527314 , 1946 ;

Am. Cyanamid Co.
Patent: US2385766 , 1941 ;