Desoxypipradrol, functions being a norepinephrine-dopamine reuptake inhibitor (NDRI) developed by Ciba from the 1950s. Desoxypipradrol is intently associated on the structural level to your compounds methylphenidate and pipradrol, all 3 of which share a similar pharmacological motion.Tyrosine can be a non-essential phenylalanine-derived amino acid.