InChI=1/C13H21NO4S/c1-9(8-19-10(2)15)13(18)14(7-12(16)17)11-5-3-4-6-11/h9,11H,3-8H2,1-2H3,(H,16,17)/p-1/t9-/m1/s1/fC13H20NO4S/q-1 DFEB2B4E41D1D7CB