InChI=1/C27H26N2O4/c30-22-7-1-16(2-8-22)12-23-24(31)28-26(33)29(25(23)32)21-5-3-20(4-6-21)27-13-17-9-18(14-27)11-19(10-17)15-27/h1-8,12,17-19,30H,9-11,13-15H2,(H,28,31,33)/p-1/b23-12+/fC27H25N2O4/q-1 C9CC3C41CD1168E9