InChI=1/C13H14N2O3S/c1-17-10-5-3-2-4-9(10)8-11-12(16)18-15-7-6-14-13(15)19-11/h2-5,8,13-14H,6-7H2,1H3/b11-8+/t13-/m1/s1 FE38826ABFC651F9