InChI=1/C27H26N2O5/c1-28-27(31)33-21-8-7-18-11-13-29(17-19(18)15-21)12-4-14-32-20-9-10-23-25(16-20)34-24-6-3-2-5-22(24)26(23)30/h2-3,5-10,15-16H,4,11-14,17H2,1H3,(H,28,31)/p+1/fC27H27N2O5/h28-29H/q+1 9504BA2A32C33A69