InChI=1S/C21H27ClFNO4S/c1-20(2,28-17-5-4-15(23)8-16(17)22)19(25)24-18-13-6-12-7-14(18)11-21(9-12,10-13)29(3,26)27/h4-5,8,12-14,18H,6-7,9-11H2,1-3H3,(H,24,25)/t12-,13-,14+,18-,21-