InChI=1/C21H21F2N3O3/c22-16-5-1-14(2-6-16)20(15-3-7-17(23)8-4-15)24-9-11-25(12-10-24)21(27)18-13-19(18)26(28)29/h1-8,18-20H,9-13H2/t18-,19-/m0/s1 B26C6B901603249C