InChI=1/C14H14N2O3S/c1-20(19)11-6-4-10(5-7-11)16-14(18)12(8-15)13(17)9-2-3-9/h4-7,9,12H,2-3H2,1H3,(H,16,18)/t12-,20+/m1/s1/f/h16H A011186565F1878E