InChI=1S/C25H34N2O4/c1-18(2)25(17-26,20-8-10-22(29-3)21(28)16-20)12-6-13-27-14-11-19-7-9-23(30-4)24(15-19)31-5/h7-10,15-16,18,27-28H,6,11-14H2,1-5H3