InChI=1/C27H30N2O5/c1-29(18-26(30)28-16-20-9-12-23(13-10-20)27(31)33-3)17-22-11-14-24(25(15-22)32-2)34-19-21-7-5-4-6-8-21/h4-15H,16-19H2,1-3H3,(H,28,30)/p+1/fC27H31N2O5/h28-29H/q+1 3BD31A17315DF8F7