1-(Dimethylamino)-3-(10,10-dimethyl-9(10H)-anthracenylidene)-2-propanone hydrochloride 10,10-Dihydro-10,10-dimethyl-9-(3-(dimethylamino)-2-oxopropylidene)anthracene hydrochloride 2-Propanone, 1-(dimethylamino)-3-(10,10-dimethyl-9(10H)-anthracenylidene)-, hydrochloride 27448-04-0