InChI=1/C13H12N2O3S/c1-7-3-8(2)5-9(4-7)15-11(16)10(12(17)18)6-14-13(15)19/h3-6H,1-2H3,(H,14,19)(H,17,18)/p-1/fC13H11N2O3S/h14H/q-1 8B6A586D4DA303AA