By reversing the way of the R2 and R1 bonds, the R and S enantiomers of O-Desmethyltramadol are received. Carfentanil, protonitazene, and isotonitazene are 3 new synthetic opioids that negatively lead into the opioid pandemic. The potency and efficiency of those artificial opioids drastically improve the chance of overdose and https://livebookmarking.com/story18203109/protonitazene-powder-for-sale-options