InChI=1/C21H23NO4S/c1-3-12-22-13-19(16-8-10-18(11-9-16)27(2,25)26)20(21(22)24)17-6-4-15(14-23)5-7-17/h4-11,23H,3,12-14H2,1-2H3 51AC76738361B710