InChI=1/C20H28FN3O3/c1-5-15-17(19(25)27-6-2)16(24-20(26)23-15)11-22-18(12(3)4)13-7-9-14(21)10-8-13/h7-10,12,15,18,22H,5-6,11H2,1-4H3,(H2,23,24,26)/t15-,18-/m0/s1/f/h23-24H E20BE1F24D017C5E