InChI=1/C19H16O4S/c1-24(21,22)14-9-6-13(7-10-14)17-18-15-5-3-2-4-12(15)8-11-16(18)23-19(17)20/h2-7,9-10,16H,8,11H2,1H3/t16-/m1/s1 F6EC35C27B9684AB