InChI=1/C21H26N2O4S/c1-4-5-6-13-27-16-9-7-15(8-10-16)20(24)23-21(28)22-18-14-17(25-2)11-12-19(18)26-3/h7-12,14H,4-6,13H2,1-3H3,(H2,22,23,24,28)/f/h22-23H 49D00A8B2AC3A99B