4-Cyclopentyl-N,alpha-dimethyl-N-2-propynylbenzenemethanamine hydrochloride 80649-50-9 Benzenemethanamine, 4-cyclopentyl-N,alpha-dimethyl-N-2-propynyl-, hydrochloride N-Methyl-N-propargyl-1-(4-cyclopentylphenyl)ethylamine hydrochloride