The Development and Validation of a Targeted LC-HRAM-MS/MS Methodology to Separate and Quantify p-Synephrine and m-Synephrine in Dietary Supplements and Herbal Preparations, Vanhee, Celine, Barhdadi Sophia, Kamugisha Angélique, Van Mulders Tanika, Vanbrusselen Kevin, Willocx Marie, and Deconinck Eric , Separations, 08/08/2023, Volume 10, Issue 8, (2023)