InChI=1/C18H23FN2O3S/c1-11(2)18-21-16(12-6-4-3-5-7-12)17(24-18)13-8-9-15(14(19)10-13)25(20,22)23/h8-12H,3-7H2,1-2H3,(H2,20,22,23)/f/h20H2 4CD87913319AEBFC