1H-Indole-3-ethanamine-d4 Hydrochloride; 3-(2-Aminoethyl-d4)indole Hydrochloride; 2-(1H-Indol-3-yl)ethan-1-amine-d4 Hydrochloride; 2-(1H-Indol-3-yl)ethanamine-d4 Hydrochloride; 2-(1H-Indol-3-yl)ethylamine-d4 Hydrochloride; 2-(3-Indolyl)ethylamine-d4 Hydrochloride; 3-(2-Aminoethyl)-1H-indole-d4 Hydrochloride; 3-(2-Aminoethyl)indole-d4 Hydrochloride; 3-Indoleethanamine-d4 Hydrochloride; 3-Indoleethylamine Hydrochloride;