... Minoru HASEGAWA,??Tohru TAKABATAKE, and Tomoyuki MIYAZAWA College of Pharmacy, Nihon University, 7??7??1 Narashinodai, Funabashi??shi, Chiba 274??8555, Japan (Received February 26, 2001) ... 391 No. 6 7) Hasegawa M., Takabatake T., J. Heterocycl. ...