InChI=1/C22H28N4O4/c1-3-25(4-2)20(17-8-6-5-7-9-17)16-24-21(27)14-15-23-22(28)18-10-12-19(13-11-18)26(29)30/h5-13,20H,3-4,14-16H2,1-2H3,(H,23,28)(H,24,27)/p+1/t20-/m1/s1/fC22H29N4O4/h23-25H/q+1 A56B921C34D74A67