GHB/GBL - Stimulants increase respiration cost rendering it achievable for a better dose of sedatives. If your stimulant wears off 1st then the depressant outcomes While using the GHB/GBL may well defeat the user and cause respiratory arrest.3-MMC has two methyl substitutions on its cathinone skeleton, 1 at R3 from the phenyl ring, plus a next at t