US Patent Issued to HANGZHOU WESTAN PHARMACEUTICAL TECHNOLOGY on June 30 for "N-formamidopyrazoline derivative as P2X3 receptor antagonist and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,589, issued on June 30, was assigned to HANGZHOU WESTAN PHARMACEUTICAL TECHNOLOGY Co. LTD (Hangzhou, China).

"N-formamidopyrazoline derivative as P2X3 receptor antagonist and use thereof" was invented by Yunfeng Cheng (Hangzhou, China) and Xinqiang Zhu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An N-formamidopyrazoline derivative is a compound having General Formula (I) or an enantiomer, a diastereomer, an epimer and a racemate thereof, or a pharmaceutically acceptable salt thereof. The compound is an antagonist of a ligand-gated non-selective cation channel receptor subtype P2X3, and can be used for treating or preventing vario...