InChI=1/C19H16O6S/c1-12(20)25-15-5-3-4-14(10-15)18-17(11-24-19(18)21)13-6-8-16(9-7-13)26(2,22)23/h3-10H,11H2,1-2H3 EF5BF4105138CAA0