InChI=1/C20H30N4O4/c1-3-4-11-24-13-15-6-5-7-17(16(15)14-24)23-20(27)19(26)22-9-8-18(25)21-10-12-28-2/h5-7H,3-4,8-14H2,1-2H3,(H,21,25)(H,22,26)(H,23,27)/p+1/fC20H31N4O4/h21-24H/q+1 D8801516F93B728F