InChI=1/C21H14N2O5S/c22-15-18(17-8-10-19(11-9-17)23(24)25)14-16-6-12-20(13-7-16)28-29(26,27)21-4-2-1-3-5-21/h1-14H/b18-14- 67F24AA9D5615BC3