... 9 )2580—2586 (1980) Enkephalin Analogs Containing the Dipeptide Unit Tyr—Arg (Kyotorphin)1' MINORU KUBOTA, OSAMU NAGASE,2“) HIRO ... 7) M. Kubota, T. Hirayama, O. Nagasc, and H. Yajima, Chem. ... The resulting 16) H. Ueda, H. Amano, H. Shiomi, and H. Takagi, ...