The molecule is an iminium ion that is the cationic component of the histological dye 'brilliant green'. It has a role as an antibacterial agent, an antiseptic drug, an environmental contaminant, a fluorochrome, a histological dye and a poison.
[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium