1H-Benz(de)isoquinoline-1,3(2H)-dione, 2-(4-(diethylamino)-1-methylbutyl)-, monohydrobromide 2-(4-(Diethylamino)-1-methylbutyl)-1H-benz(de)isoquinoline-1,3(2H)-dione monohydrobromide 81254-01-5