IUPAC:N-[(4E)-4-{2-[(2Z)-3-ethyl-1,1-dimethyl-1H,2H,3H-benzo[e]indol-2-ylidene]ethylidene}-2,3,4,6-tetrahydro-1H-xanthen-6-ylidene]methanaminium iodide
IUPAC:N-[(4E)-4-{2-[(2Z)-3-ethyl-1,1-dimethyl-1H,2H,3H-benzo[e]indol-2-ylidene]ethylidene}-2,3,4,6-tetrahydro-1H-xanthen-6-ylidene]methanaminium iodide