InChI=1/C15H16N2O5S/c1-10-6-12-13(22-9-15(18)16-12)7-14(10)23(19,20)17(2)8-11-4-3-5-21-11/h3-7H,8-9H2,1-2H3,(H,16,18)/f/h16H A51A2C2C6C794B1E