InChI=1/C27H27N3O4/c1-18-26(27(32)33-4)23-16-22(14-15-24(23)30(18)21-8-6-5-7-9-21)34-17-25(31)28-19-10-12-20(13-11-19)29(2)3/h5-16H,17H2,1-4H3,(H,28,31)/f/h28H 2717D498EE95E55E