(5R)-6-(4-Aminophenyl)-5-methyl-2,3,4,5-tetrahydropyridazin-3-one

levosimendan dazinones intermediates ; (r)-6-(4-aminophenyl)-4,5-dihydro-5-methylpyridazin-3(2h)one ; (5r)-6-(4-aminophenyl)-4,5-dihydro-5-methyl-3(2h)-pyridazinone ; (r)-6-(4-aminophenyl)-4,5-dihydro-5-methyl-3(2h)-pyridazinone ; 6-(4-amino-phenyl)-5-methyl-4,5-dihydro-2h-pyridazin-3-one ; (-)-skf-93505 ; or-1855 ; (r)-6-(4-aminophenyl)-5-methylpyridazin-3(2h)one ; (-)-6-aminophenyl-4,5-dihydro-5-methyl-3-(2h)pyridazinone ; (r)-4,5-dihydro-5-methyl-6-(4-aminophenyl)pyridazine-3(2h)-one