ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,341, issued on Feb. 24, was assigned to BioCryst Pharmaceuticals Inc. (Durham, N.C.).

"Oral complement factor D inhibitors" was invented by Pravin L. Kotian (Hoover, Ala.), Yarlagadda S. Babu (Birmingham, Ala.), Weihe Zhang (Vestavia Hills, Ala.), Peng-Cheng Lu (Vestavia Hills, Ala.), Andrew E. Spaulding (Hoover, Ala.), Wei Lv (Hoover, Ala.), Zhao Dang (Vestavia Hills, Ala.) and Krishnan Raman (Birmingham, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are compounds of formula (I), and pharmaceutically acceptable salts thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such...