InChI=1/C22H28N4O4/c1-4-18-10-6-7-12-20(18)23-21(27)15-24(3)16-22(28)25(5-2)14-17-9-8-11-19(13-17)26(29)30/h6-13H,4-5,14-16H2,1-3H3,(H,23,27)/p+1/fC22H29N4O4/h23-24H/q+1 D937FBD1413DDA27