ISOLATION AND CHARACTERIZATION OF 13-CYCLOPENTANE TRIDEANOIC ACID FROM CYANTHILLIUM CINERIUM (L.) H. ROB. AND IT’S IN–SILICO BASED ANTI-DIABETIC EFFECT. Journal of Pharmaceutical Negative Results. Published online October 10, 2022:1534-1543. doi:10.47750/pnr.2022.13.S06.204