DISCLAIMER: PW's dosage facts is gathered from customers and methods for instructional applications only. It isn't a advice and may be confirmed with other sources for precision. Flipping the path on the R2 and R1 bonds ends in the R- and S- enantiomers of O-Desmethyltramadol. O-DMST is sort of https://hemalchem.com/product/o-dsmt/