1-alpha-H,5-alpha-H-Tropan-3-one, hydrobromide 1alpha-4,5alpha-4-Tropan-3-one, hydrobromide 532-24-1 74051-45-9 8-Azabicyclo(3.2.1)octan-3-one, 8-methyl-, hydrobromide (9CI) NSC 83230 Tropinone hydrobromide