InChI=1/C12H14N2O5S/c1-2-3-8-19-10-4-6-11(7-5-10)20(17,18)13-9-12(15)14-16/h4-7,13,16H,8-9H2,1H3,(H,14,15)/f/h14H 65DC5527AAF84F21