MethylBenzylPiperazine HCl (MBZP HCl) can be made from Benzyl Chloride (BZC) and MethylPiperazine (MP) in Ethanol by heating it for 30 minutes. Then cool it to 0°C to make MBZP HCl crystals and powder. The extra Methyl group on the other N should prevent Alkylation on the other side.