InChI=1/C18H22N4O3/c1-4-10-21-16-14(17(23)22(11-5-2)18(21)24)19-15(20-16)12-6-8-13(25-3)9-7-12/h6-9H,4-5,10-11H2,1-3H3,(H,19,20)/f/h19H BA67F57B0747D5F1