Researchers Submit Patent Application, "Substituted Imidazole Salt Compounds, Preparation Method Thereof, Pharmaceutical Composition Thereof And Application Thereof", for Approval (USPTO 20230202986).

The method according to claim 1, wherein for R2 is selected from H, C1-C4 alkyl, C3 cycloalkyl; or R2 is selected from H, methyl, ethyl, isopropyl, t-butyl, cyclopropyl. The method according to claim 1, wherein for R1 is selected from C1-C24 alkyl; or R1 is selected from C1-C22 alkyl. [Extracted from the article]