InChI=1/C16H20N4O3/c1-4-5-23-13-8-10(7-12(21-2)14(13)22-3)6-11-9-19-16(18)20-15(11)17/h4,7-9H,1,5-6H2,2-3H3,(H4,17,18,19,20)/f/h17-18H2 5B9E6CE70AC8D39A