InChI=1/C19H17F4NO/c20-15-10-12(19(21,22)23)9-14-17(15)24-16(11-5-2-1-3-6-11)13-7-4-8-25-18(13)14/h1-3,5-6,9-10,13,16,18,24H,4,7-8H2/t13-,16-,18-/m0/s1 D91F67A5767E2EEE