InChI=1/C20H28N4O4/c1-19(2)9-13(10-20(3,4)23-19)22-18(27)17(26)21-12-6-7-15-14(8-12)24(5)16(25)11-28-15/h6-8,13,23H,9-11H2,1-5H3,(H,21,26)(H,22,27)/p+1/fC20H29N4O4/h21-23H/q+1 AF10F84AAC976579