InChI=1/C20H26N2O4S/c1-13(2)16-8-6-15(4)19(10-16)26-12-20(23)22-18-11-17(9-7-14(18)3)27(24,25)21-5/h6-11,13,21H,12H2,1-5H3,(H,22,23)/f/h22H E6B2BEDFBD2EEF81