InChI=1/C17H17NO6S/c1-11-13(18(19)20)7-5-9-15(11)25(21,22)24-14-8-4-6-12-10-17(2,3)23-16(12)14/h4-9H,10H2,1-3H3 B903A42D05D2B0C4