InChI=1/C14H16N2O4S/c17-13-7-11(10-3-1-2-4-12(10)16-13)14(18)15-9-5-6-21(19,20)8-9/h1-4,9,11H,5-8H2,(H,15,18)(H,16,17)/t9-,11+/m1/s1/f/h15-16H	1284927D2083850E