InChI=1/C15H20N6O2/c1-5-8-19-14(22)13(18-21(9-6-2)15(19)23)17-12-10-16-20(7-3)11(12)4/h5-6,10H,1-2,7-9H2,3-4H3,(H,17,18)/f/h17H D1724732DC1AD924