InChI=1/C18H26N4O4/c1-11(2)20-18(24)13-6-9-15(16(10-13)22(25)26)21-14-7-4-12(5-8-14)17(23)19-3/h6,9-12,14,21H,4-5,7-8H2,1-3H3,(H,19,23)(H,20,24)/f/h19-20H D14B1372A0FF7F05