InChI=1/C18H22N4O3/c1-5-25-13-9-7-6-8-12(13)15-19-14-16(20-15)22(10-11(2)3)18(24)21(4)17(14)23/h6-9,11H,5,10H2,1-4H3,(H,19,20)/f/h19H 820FADA0459E7366