InChI=1/C21H20N2O5S/c1-26-16-10-8-14(12-17(16)27-2)9-11-19(24)22-21-23(13-20(25)28-3)15-6-4-5-7-18(15)29-21/h4-12H,13H2,1-3H3/b11-9-,22-21?	835E250E3ED6C381