DISCLAIMER: PW's dosage information is collected from end users and methods for academic needs only. It is far from a advice and may be confirmed with other resources for precision. Flipping the route of the R2 and R1 bonds results in the R- and S- enantiomers of O-Desmethyltramadol. O-DMST https://archerkdsms.articlesblogger.com/49570634/everything-about-o-dsmt-canada