InChI=1/C26H26N2O4/c1-15-6-8-18(9-7-15)23(29)21-22(17-10-12-19(13-11-17)26(3,4)5)28(25(31)24(21)30)20-14-16(2)32-27-20/h6-14,22,30H,1-5H3/p-1/t22-/m0/s1/fC26H25N2O4/h30h/q-1 540106AEAC924166