IUPAC:6-(diethylamino)-4-[(1,2,3,11-tetrahydro-5,10-dioxatetraphen-4-yl)methylidene]-1,2,3,4-tetrahydro-10lambda4-xanthen-10-ylium perchlorate
IUPAC:6-(diethylamino)-4-[(1,2,3,11-tetrahydro-5,10-dioxatetraphen-4-yl)methylidene]-1,2,3,4-tetrahydro-10lambda4-xanthen-10-ylium perchlorate