The molecule is the iminium cation of malachite green isothiocyanate. It has a role as a fluorochrome. It is a tertiary amine and an iminium ion.
[4-[[4-(dimethylamino)phenyl]-(4-isothiocyanatophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium