InChI=1/C15H19NO4S/c1-21-12-7-5-10(6-8-12)3-2-4-11(14(17)18)9-13(16)15(19)20/h2-3,5-8,11,13H,4,9,16H2,1H3,(H,17,18)(H,19,20)/p-1/b3-2+/t11-,13+/m1/s1/fC15H18NO4S/h16H/q-1 6114A8DF3D5D8D1F