InChI=1/C21H28N4O4/c1-4-24(5-2)15-16-7-6-8-17(13-16)23-21(26)19-14-18(25(27)28)9-10-20(19)22-11-12-29-3/h6-10,13-14,22H,4-5,11-12,15H2,1-3H3,(H,23,26)/p+1/fC21H29N4O4/h23-24H/q+1 2C15384050EA97ED