InChI=1/C18H24N4O4/c1-12-4-7-15(9-16(12)22(25)26)20-18(24)21-8-2-3-14(11-21)17(23)19-10-13-5-6-13/h4,7,9,13-14H,2-3,5-6,8,10-11H2,1H3,(H,19,23)(H,20,24)/t14-/m1/s1/f/h19-20H BD49254AA9E9E14D