InChI=1S/C17H23NO7S/c19-17(18-8-2-1-3-9-18)11-14(25-26(20,21)22)6-4-13-5-7-15-16(10-13)24-12-23-15/h5,7,10,14H,1-4,6,8-9,11-12H2,(H,20,21,22)