InChI=1S/C23H24N2O5/c1-17(12-13-20(27)15-26)24-22(28)21(14-18-8-4-2-5-9-18)25-23(29)30-16-19-10-6-3-7-11-19/h2-13,15,17,21H,14,16H2,1H3,(H,24,28)(H,25,29)/b13-12+/t17-,21+/m0/s1