InChI=1/C13H18N2O3S/c1-10-3-4-11(19-10)13(18)15-6-2-5-14(7-8-15)9-12(16)17/h3-4H,2,5-9H2,1H3,(H,16,17)/f/h14H 8279A9B817D70F7C