InChI=1S/C18H22N2O10S/c1-19-31(27,28)7-8-2-3-11-10(4-8)9(6-20-11)5-12(21)29-18-15(24)13(22)14(23)16(30-18)17(25)26/h2-4,6,13-16,18-20,22-24H,5,7H2,1H3,(H,25,26)/t13-,14-,15+,16-,18?/m0/s1