18189-50-9 2,4,6-CYCLOHEPTATRIEN-1-ONE, 2-((2-PIPERIDINOETHYL)AMINO)-, DIHYDROCHLORIDE 2-((2-Piperidinoethyl)amino)-2,4,6-cycloheptatrien-1-one dihydrochloride 2-(beta-Piperidinoethylamino)tropone dihydrochloride