InChI=1/C28H34N2O4/c1-28(2,30-18-26(33)23-11-12-25(32)24(15-23)19-31)16-22-10-6-9-21(13-22)14-27(34)29-17-20-7-4-3-5-8-20/h3-13,15,26,30-33H,14,16-19H2,1-2H3,(H,29,34)/p+1/t26-/m0/s1/fC28H35N2O4/h29-30H/q+1 9B775FEA2E67280B