Tominaga, Yoshinori; Shiroshita, Yoshihide; Kurokawa, Tomohiko; Matsuda, Yoshiro; Hosomi, Akira
Journal of Heterocyclic Chemistry, 1988 , vol. 25, p. 185 - 189

Tominaga, Yoshinori; Shiroshita, Yoshihide; Kawabe, Masanori; Goto, Hiromi; Oniyama, Yukio; Matsuda, Yoshiro
Heterocycles, 1985 , vol. 23, # 10 p. 2531 - 2534