This phenyl ring is substituted at R3 which has a hydroxy group (OH-). An extra hydroxy team is uncovered at the same site the cyclohexane ring is bonded to with the phenyl ring, R1. O-DMST features a 3rd substitution on its cyclohexane ring at R2. Below the ring is bonded https://eduardosojcw.bloguetechno.com/new-step-by-step-map-for-o-dsmt-pellets-30mg-64924783