ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,093, issued on March 31, was assigned to INSTITUTE OF MEDICINAL BIOTECHNOLOGY CHINESE ACADEMY OF MEDICAL SCIENCES (Beijing).

"Indolo[2',3':3,4pyrido[2,1-bquinazoline compound and use thereof" was invented by Shuyi Si (Beijing), Yanni Xu (Beijing), Xiao Wang (Beijing), Jinque Luo (Beijing), Yongzhen Li (Beijing), Chao Liu (Beijing), Xinhai Jiang (Beijing), Yining Li (Beijing), Xiaowan Han (Beijing), Yan Li (Beijing), Minghua Chen (Beijing), Jing Zhang (Beijing) and Xin Zhen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to an indolo[2',3':3,4]pyrido[2,1-b]quinazoline compound represented by general formula (I) and use...