InChI=1/C20H21N3O4S2/c1-3-29(26,27)19-13-18(21-14-15-7-5-4-6-8-15)22-20(23-19)16-9-11-17(12-10-16)28(2,24)25/h4-13H,3,14H2,1-2H3,(H,21,22,23)/f/h21H 2BF8B19E53ED31E2