InChI=1/C15H24N2O4S/c1-4-21-14-7-8-15(18)13(11-14)12-16-9-6-10-17(3)22(19,20)5-2/h7-8,11-12,18H,4-6,9-10H2,1-3H3/p+1/b16-12-/fC15H25N2O4S/h16H/q+1 96E41ECD07F550D9