InChI=1/C16H16N2O5S/c1-18(24(2,20)21)13-6-3-11(4-7-13)16(19)17-12-5-8-14-15(9-12)23-10-22-14/h3-9H,10H2,1-2H3,(H,17,19)/f/h17H FE63BD7507096C4A