InChI=1/C15H17F3N2O3/c16-15(17,18)9-19-14(21)20-6-2-4-11(20)10-3-1-5-12-13(10)23-8-7-22-12/h1,3,5,11H,2,4,6-9H2,(H,19,21)/t11-/m0/s1/f/h19H A09F4498337005B7