AUTHOR=Rijo Patricia , Athanassopoulos Constantinos M. , Carpinella MarĂ­a Cecilia TITLE=Editorial: Considering plant metabolites and their synthetic derivatives as candidates for the development of drugs against multidrug resistant (MDR) tumors JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1108252 DOI=10.3389/fphar.2022.1108252 ISSN=1663-9812