Synonyms: BRN 0786086;2,4,4a,5-Tetrahydro-2-methyl-3H-indeno(1,2-c)pyridazin-3-one;2-Methyl-2,4,4a,5-tetrahydro-3H-indeno(1,2-c)pyridazin-3-one;3H-Indeno(1,2-c)pyridazin-3-one, 2,4,4a,5-tetrahydro-2-methyl-;AC1MHJOI;AC1Q40DC;LS-81902;2-methyl-2H,3H,4H,4aH,5H-indeno[1,2-c]pyridazin-3-one;2-methyl-4a,5-dihydro-4H-indeno[1,2-c]pyridazin-3-one;69099-77-0