InChI=1/C20H26N4O4/c1-3-23(4-2)11-12-28-19-8-6-5-7-16(19)14-22-20(25)15-9-10-17(21)18(13-15)24(26)27/h5-10,13H,3-4,11-12,14,21H2,1-2H3,(H,22,25)/p+1/fC20H27N4O4/h22-23H/q+1 6095A9AC11EC433A