InChI=1/C15H18N2O3S/c1-10-8-11-6-7-12(9-14(11)16-15(10)18)17-21(19,20)13-4-2-3-5-13/h6-9,13,16,18H,2-5H2,1H3/p-1/fC15H17N2O3S/h18h/q-1 B230D72066DE4643