Gringo:..... the information is here that you seek,
Post 408293
(Rhodium: "The Stimulants Forum FAQ", Stimulants) look under ,
Ephedrine, Pseudoephedrine & Stereoisomers, here you will find your answers, but you will need to use the resources available to teach yourself. You will need to find the answer for yourself why it is that you can use both the (- ephedrine ) and (+pseudoephedrine) and the outcome in your product.......java
Edited:by java