Since in a lot of places, meth is easier than pseudoephedrine to obtain, the solution is to simply to go in the other direction and synthesize the latter from t

Since in a lot of places, meth is easier than pseudoephedrine to obtain, the solution is to simply to go in the other direction and synthesize the latter from the former: https://improbable.com/airchives/paperair/volume19/v19i3/Pseudoephedrine.pdf https://improbable.com/airchives/paperair/volume19/v19i3/Pse... [PDF]