1-Cyclopentene-1-ethanamine, alpha,2,3,3-tetramethyl-, hydrochloride 2-Amino-1-(2,3,3-trimethylcyclopent-1-en-1-yl)propane hydrochloride 37613-71-1 alpha,2,3,3-Tetramethyl-1-cyclopentene-1-ethanamine hydrochloride