InChI=1S/C23H28N2O5S/c1-3-4-6-21-22(19-15-17(25-31(2,27)28)9-12-20(19)30-21)23(26)16-7-10-18(11-8-16)29-14-5-13-24/h7-12,15,25H,3-6,13-14,24H2,1-2H3