InChI=1/C27H28N2O5/c28-23(16-20-10-4-1-5-11-20)26(31)29-24(27(32)34-19-22-14-8-3-9-15-22)17-25(30)33-18-21-12-6-2-7-13-21/h1-15,23-24H,16-19,28H2,(H,29,31)/t23-,24-/m0/s1/f/h29H 20F2D2A4159BC6E9