InChI=1/C26H24N2O4/c1-3-31-26(30)22-16-28-23-20-11-7-5-9-18(20)12-13-21(23)24(22)27-14-15-32-25(29)19-10-6-4-8-17(19)2/h4-13,16H,3,14-15H2,1-2H3,(H,27,28)/p+1/fC26H25N2O4/h27-28H/q+1 A3D2747F4E151AED