4,4'-bis(dimethylamino)thiobenzophenone;4,4-Bis-(dimethylamino)thiobenzophenone;Thiomichlers ketone;Thiomichler's Ketone [Sensitive spectrophotometric reagent for Au, Ag, Hg and Pd, use for the determination of residual chlorine];4.4'-Bis(dimethylamino)thiobenzophenone;Thiomichler's ketone;4,4-Bis(Dimethylamino)Thiobenzophenone;4,5'-Bis(dimethylamino)thiobenzophenone;bis[4-(dimethylamino)phenyl]methanethione;N,N,N',N'-Tetramethyl-4,4'-diaminothiobenzophenone;Bis-4-(dimethylamino)phenylmethanethione