InChI=1/C19H20N4O2/c1-3-11-8-12(17(25)9-16(11)24)18-13(10-20-22-18)19-21-14-6-4-5-7-15(14)23(19)2/h4-10,13,19,21,24-25H,3H2,1-2H3/t13-,19-/m0/s1 A9E29A5364B18629