InChI=1/C21H26N2O5S/c1-5-22-29(26,27)18-8-6-7-15(13-18)20(25)28-14-19(24)23-17-11-9-16(10-12-17)21(2,3)4/h6-13,22H,5,14H2,1-4H3,(H,23,24)/f/h23H B5F8CB3C7BD66D7A