InChI=1/C21H22N2O4S2/c1-16-5-11-20(12-6-16)29(25,26)23(17-7-9-18(27-2)10-8-17)15-21(24)22-14-19-4-3-13-28-19/h3-13H,14-15H2,1-2H3,(H,22,24)/f/h22H DB477F77A6EA3906