2-amino-4-(3-ethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)-5,6-dihydro-1H-benzo[h]quinoline-3-carbonitrile
2-amino-4-(3-ethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)-5,6-dihydro-1h-benzo[h]quinoline-3-carbonitrile