InChI=1/C16H16N2O5S/c1-3-18-14-9-8-13(10-15(14)23-16(18)19)24(20,21)17-11-4-6-12(22-2)7-5-11/h4-10,17H,3H2,1-2H3 2DB69FC6BDA8B4B8