InChI=1/C21H28N2O4S/c1-23(15-13-21(24)22-28(2,25)26)14-6-16-27-20-11-9-19(10-12-20)17-18-7-4-3-5-8-18/h3-5,7-12H,6,13-17H2,1-2H3,(H,22,24)/f/h23H 9E5309E1D4C57F5F