114933-27-6 N-Methyl-N-(3,4,4a,5-tetrahydro-3-oxo-2H-indeno(1,2-c)pyridazin-7-yl)propanamide Propanamide, N-methyl-N-(3,4,4a,5-tetrahydro-3-oxo-2H-indeno(1,2-c)pyridazin-7-yl)-