InChI=1/C15H14N3O5S/c1-2-10-3-6-12(9-14(10)18(20)21)17-24(22,23)13-7-4-11(5-8-13)15(16)19/h3-9H,2H2,1H3,(H2,16,19)/q-1/f/h16H2 5926D5B831AA9F45