InChI=1/C15H16N2O3S/c1-8-4-9(2)6-11(5-8)17-14(20)12(7-13(18)19)10(3)16-15(17)21/h4-6H,7H2,1-3H3,(H,16,21)(H,18,19)/p-1/fC15H15N2O3S/h16H/q-1 83FEDD23A8BD1F23