InChI=1S/C23H28N2O5/c1-6-12-11-25-16-7-13(12)20(22(26)30-5)23(10-19(25)29-4)14-8-17(27-2)18(28-3)9-15(14)24-21(16)23/h6,8-9,13,16,19-20H,7,10-11H2,1-5H3/b12-6-/t13-,16-,19-,20-,23-/m0/s1