InChI=1/C15H20N2O5S/c1-4-5-10-22-12-6-8-13(9-7-12)23(20,21)17-14(11(2)3)15(18)16-19/h6-9,11,14,17,19H,10H2,1-3H3,(H,16,18)/t14-/m1/s1/f/h16H 058EACCA981E0089