InChI=1/C29H27N2O7/c1-34-26-9-4-19-14-25-23-16-28-27(37-18-38-28)15-20(23)10-11-30(25)17-24(19)29(26)36-13-3-2-12-35-22-7-5-21(6-8-22)31(32)33/h4-9,14-17H,2-3,10-13,18H2,1H3/q+1 9C2022B29C6B8DB9