1,1'-(9H-Thioxanthene-2,7-diyl)bis(4-(diethylamino))-1-butanone dihydrochloride 1-BUTANONE, 1,1'-(9H-THIOXANTHENE-2,7-DIYL)BIS(4-(DIETHYLAMINO)-, DIHYDROCHLORID 1-Butanone, 1,1'-(9H-thioxanthene-2,7-diyl)bis(4-(diethylamino)-, dihydrochloride 37771-04-3