InChI=1S/C16H17NO8S/c1-11(18)24-14-6-8-16(20)17(10-14)15(19)7-5-12-3-2-4-13(9-12)25-26(21,22)23/h2-4,6,8-9,14H,5,7,10H2,1H3,(H,21,22,23)