InChI=1/C22H21N2O5S/c1-16-8-13-21(20(14-16)22(25)23-26)24(15-17-6-4-3-5-7-17)30(27,28)19-11-9-18(29-2)10-12-19/h3-14H,15H2,1-2H3,(H-,23,25,26)/q-1/f/h23H E9726D096E29F767