InChI=1/C18H31F3N2O3/c1-4-13(5-2)10-23(12-17(25)26-3)11-16(24)22-15-8-6-14(7-9-15)18(19,20)21/h13-15H,4-12H2,1-3H3,(H,22,24)/f/h22H 21D9BC693F781468