InChI=1/C13H16F3N3O2/c1-7(18-8(2)11(20)19-12(17)21)9-5-3-4-6-10(9)13(14,15)16/h3-8,18H,1-2H3,(H3,17,19,20,21)/t7-,8+/m1/s1/f/h19H,17H2 DFDF9133549FC43A