15499-13-5 2,4,6-CYCLOHEPTATRIEN-1-ONE, 2-((3-(DIETHYLAMINO)PROPYL)AMINO)-, DIHYDROCHLORIDE 2-((3-(Diethylamino)propyl)amino)-2,4,6-cycloheptatrien-1-one dihydrochloride 2-((3-(Diethylamino)propyl)amino)tropone dihydrochloride