ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,486, issued on Dec. 23, was assigned to ZHEJIANG PEPTITES BIOTECH Co. LTD. (Shengzhou, China).

"Compound or salt thereof and preparation method and application of same" was invented by Haiying Xing (Shengzhou, China), Zhiguo Liu (Beijing), Xinyou Yu (Shengzhou, China), Xiaohang Chen (Shengzhou, China) and Huiping Wang (Shengzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a compound or a salt thereof, a method for preparation thereof, and use thereof, wherein the compound has the structure of Formula (1): the substituents in Formula (1) are as defined in the specification. The compound of Formula (1) or a salt ther...