1-(10,11-Dihydro-5H-dibenzo(a,d)cyclohepten-5-ylidene)-3-(dimethylamino)-2-propanone HCl 2-Propanone, 1-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-ylidene)-3-(dimethylamino)-, monohydrochloride 27448-03-9 34662-67-4 SD 2203-01