Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
Benzoheterocyclic derivatives
 A benzoheterocyclic derivative of the following formula [1]: ##STR1## and pharmaceutically acceptable salts thereof, which show excellent anti-vasopressin activity, vasopressin agonistic activity and oxytocin antagonistic activity, and are useful as a vasopressin antagonist, vasopressin agonist or oxytocin antagonist. 
Otsuka Pharmaceutical Company, Limited
A A C C C C A C C A C A A C A C C C C C A C A A A A C A C A C A C A C A A A C C
A61P A61P C07D C07D C07D C07D A61P C07D C07D A61P C07D A61P A61P C07D A61P C07D C07D C07D C07D C07D A61P C07D A61P A61P A61P A61P C07D A61P C07D A61P C07D A61P C07D A61P C07D A61P A61P A61P C07D C07D
inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Hidenori Hiroshi Tomoichi Muneaki Yoshihisa Michiaki Takayuki Yoichi Kazumi Keizo
Ogawa Yamashita Shinohara Kurimura Tanada Tominaga Matsuzaki Yabuuchi Kondo Kan