ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,235, issued on July 28, was assigned to WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT Co. LTD. (Wuhan, China).

"Fused ring compound and application thereof" was invented by Jun Lou (Wuhan, China), Yongkai Chen (Wuhan, China), Yihan Zhang (Wuhan, China), Xiaodan Guo (Wuhan, China), Lina Qian (Wuhan, China), Li Liu (Wuhan, China), Wei Peng (Wuhan, China), Fei Rong (Wuhan, China) and Chaodong Wang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a fused ring compound and an application thereof. Disclosed is a fused ring compound represented by formula I, a pharmaceutically acceptable salt, a stereoisomer, a tautomer, an isotope c...