InChI=1/C14H17N2O3S/c1-20(18,19)16-10-5-6-12-11(9-10)14(13(17)15-12)7-3-2-4-8-14/h5-6,9H,2-4,7-8H2,1H3,(H,15,17)/q-1/f/h15H E2CB48652D8564AE