InChI=1/C21H26N2O4S/c1-14-6-7-15(2)16(10-14)12-28(25,26)22-17-8-9-18-19(11-17)27-13-21(3,4)20(24)23(18)5/h6-11,22H,12-13H2,1-5H3 569CECF12CA18953