Discovery of 7-Azanorbornane-Based Dual Agonists for the Delta and Kappa Opioid Receptors through an In Situ Screening Protocol oleh Fumika Karaki, Taro Takamori, Koumei Kawakami, Sae Sakurai, Kyoko Hidaka, Kei Ishii, Tomoya Oki, Noriko Sato, Nao Atsumi, Karin Ashizawa, Ai Taguchi, Asuka Ura, Toko Naruse, Shigeto Hirayama, Miki Nonaka, Kanako Miyano, Yasuhito Uezono, Hideaki Fujii