InChI=1S/C17H15NO6S/c1-23-17-9-12-5-6-18-15(14(12)10-16(17)19)8-11-3-2-4-13(7-11)24-25(20,21)22/h2-7,9-10,19H,8H2,1H3,(H,20,21,22)