InChI=1S/C22H26FN3O2/c23-20-11-5-4-9-17(20)13-18(24)14-21(27)26-12-6-10-19(26)15-25-22(28)16-7-2-1-3-8-16/h1-5,7-9,11,18-19H,6,10,12-15,24H2,(H,25,28)/t18-,19+/m1/s1