Α,α-Dideuterophenethylamine
α,α-Dideuterophenethylamine, also known as PE-α,α-d2 or D2PE, is a deuterated isotopologue of phenethylamine. It is the analogue of phenethylamine in which the two hydrogen atoms at the α position have been replaced with the deuterium isotopes.
Source: Wikipedia — Α,α-Dideuterophenethylamine (CC BY-SA 4.0)