InChI=1/C21H20N2O5S/c22-21(20(24)23-25,16-7-3-1-4-8-16)15-29(26,27)19-13-11-18(12-14-19)28-17-9-5-2-6-10-17/h1-14,25H,15,22H2,(H,23,24)/t21-/m1/s1/f/h23H	110A8AF0D5018BB3