Standard InChI: InChI=1S/C20H19N5O/c1-13-9-18(26)24-25-19(13)15-7-8-16-17(10-15)22-12-23-20(16)21-11-14-5-3-2-4-6-14/h2-8,10,12-13H,9,11H2,1H3,(H,24,26)(H,21,22,23)/t13-/m0/s1
1.Nomoto Y, Takai H, Ohno T, Nagashima K, Yao K, Yamada K, Kubo K, Ichimura M, Mihara A, Kase H.. (1996) Studies of cardiotonic agents. 8. Synthesis and biological activities of optically active 6-(4-(benzylamino)-7-quinazolinyl)-4,5-dihydro-5-methyl-3(2H)- pyridazinone (KF15232)., 39 (1):[PMID:8568820][10.1021/jm950197j]