InChI=1/C26H28N4O3/c31-24-22-11-4-3-10-21(22)23(27-28-24)17-18-6-5-9-20(16-18)26(33)30-14-12-29(13-15-30)25(32)19-7-1-2-8-19/h3-6,9-11,16,19H,1-2,7-8,12-15,17H2,(H,28,31)/f/h28H 21A952D919AD6CD2