... Canadaline and a Retroproto— berberine from Tetrahydroberberinez' MIYOJI HANAOKA,* KAZUYOSHI NAGAMI, MITSURU INOUE, and SHINGO ... in preliminary communications: a) M. Hanaoka, K. Nagami, and T ... Imanishi, Heterocycles, 12, 497 (1979); b) M. Hanaoka, M. Inoue ...