InChI=1/C19H17N2O5S/c1-12-5-7-18-16(9-12)17-10-13(6-8-19(17)26-18)20-27(24,25)15-4-2-3-14(11-15)21(22)23/h2-4,6,8,10-12H,5,7,9H2,1H3/q-1/t12-/m0/s1 B265C9C1F8295562