1-alpha-H,5-alpha-H-Tropan-3-one, hydrochloride 3-Tropanone hydrochloride 3-Tropinone hydrochloride 4827-85-4 532-24-1 8-Methyl-8-azabicyclo(3.2.1)octan-3-one hydrochloride LK 1 Tropanon hydrochloride Tropanone hydrochloride Tropinon hydrochloride Tropinone hydrochloride