dimethylimmonium ion of benzophenone; N-(Benzhydryliden)-dimethylaminium; Benzophenon-methylimid-hydroxymethylat; Benzhydryliden-dimethyl-ammonium; benzhydrylidene-dimethyl-ammonium; Benzhydrylidendimethylammonium Ion; benzhydrylidenedimethylammonium ion