InChI=1/C18H22N4O/c1-17-7-21-9-18(2,10-22(8-17)11-21)16(17)20-14-12-5-3-4-6-13(12)19-15(14)23/h3-6,16H,7-11H2,1-2H3,(H,19,20,23)/f/h19H AA69C7E4DAB21AEA