Home(1R,2R,3R,5R)-Ethyl-2-amino-6,6-dimethylbicyclo[3.1.1]heptan-3-carboxylate hydrochloride(1R,2R,3R,5R)-Ethyl-2-amino-6,6-dimethylbicyclo[3.1.1]heptan-3-carboxylate hydrochloride