1-Amino-2-(2,3,3-trimethylcyclopent-1-en-1-yl)-1-phenylethane hydrochloride 147960-76-7 Benzenemethanamine, alpha-((2,3,3-trimethyl-1-cyclopenten-1-yl)methyl)-, hydrochloride alpha-((2,3,3-Trimethyl-1-cyclopenten-1-yl)methyl)benzenemethanamine hydrochloride