InChI=1/C15H19FN2O2/c1-9(2)17-14(19)15(20)18-6-4-5-11-7-10(3)8-12(16)13(11)18/h7-9H,4-6H2,1-3H3,(H,17,19)/f/h17H BC459C4C2C48B8F3