InChI=1/C15H21NO4S/c1-3-8-20-13-6-4-12(5-7-13)16(9-14(17)18)15(19)11(2)10-21/h4-7,11,21H,3,8-10H2,1-2H3,(H,17,18)/p-1/t11-/m0/s1/fC15H20NO4S/q-1 8366882FD69E28A3