InChI=1/C15H14N2O6S/c1-21-12-4-2-9(6-14(12)24(16,19)20)15(18)17-10-3-5-11-13(7-10)23-8-22-11/h2-7H,8H2,1H3,(H,17,18)(H2,16,19,20)/f/h17H,16H2 5BEDFD7870B174CC