DISCLAIMER: PW's dosage facts is gathered from end users and resources for instructional uses only. It's not at all a recommendation and should be verified with other resources for accuracy. Flipping the direction of the R2 and R1 bonds leads to the R- and S- enantiomers of O-Desmethyltramadol. O-DMST https://o-dsmtbuy30865.slypage.com/27137039/o-dsmt-wiki-an-overview