InChI=1/C20H26N4O4/c1-23(2)14-18(15-7-5-4-6-8-15)22-20(25)16-9-10-17(21-11-12-28-3)19(13-16)24(26)27/h4-10,13,18,21H,11-12,14H2,1-3H3,(H,22,25)/p+1/t18-/m1/s1/fC20H27N4O4/h22-23H/q+1 75E2B9FE2AC7DB59