This phenyl ring is substituted at R3 having a hydroxy group (OH-). Yet another hydroxy team is identified at the exact same area the cyclohexane ring is bonded to with the phenyl ring, R1. O-DMST features a 3rd substitution on its cyclohexane ring at R2. Here the ring is bonded https://griffinojaoc.onesmablog.com/new-step-by-step-map-for-o-dsmt-pellets-30mg-69722708