InChI=1/C16H18N2O5S/c1-16(15(19)18-20,10-12-4-3-9-17-11-12)24(21,22)14-7-5-13(23-2)6-8-14/h3-9,11,20H,10H2,1-2H3,(H,18,19)/t16-/m1/s1/f/h18H 8E32FFA3E6BED1ED