InChI=1/C20H23N3O5S/c1-16-10-12-21(13-11-16)20(24)15-22(17-6-5-7-18(14-17)23(25)26)29(27,28)19-8-3-2-4-9-19/h2-9,14,16H,10-13,15H2,1H3 A4D3F3D2A365E71D