4-HO-MET is substituted at R4 of its indole heterocycle using a hydroxyl purposeful group OH−. In addition it is made up of a methyl team and an ethyl chain bound to the terminal amine RN of its tryptamine backbone (Fulfilled). This compound is surely an ”historical” one particular! 4-HO-Satisfied https://chinachemsupplies.com/4-ho-met/