InChI=1S/C17H19NO6S/c1-9-4-5-17(19)12-8-10-2-3-11(24-25(20,21)22)14-13(10)16(17,6-7-18-12)15(9)23-14/h2-3,12,15,18-19H,1,4-8H2,(H,20,21,22)/t12-,15+,16+,17-/m1/s1