Alkyl facet-chains may be oxidized to benzoic acid (or possibly a benzoic acid by-product if you will discover other teams existing over the ring) by potassium permanganate (KMnO4) as long as the benzylic carbon has a minimum of a single hydrogen attached. Tablets marketed in the UK as "Xanax" (alprazolam), https://landenbvpqj.pages10.com/not-known-factual-statements-about-solution-de-bromoforme-72898084