InChI=1/C23H27FN2O3/c1-28-21-8-4-7-20(22(21)29-2)23(27)25-14-18-5-3-6-19(15-25)26(18)13-16-9-11-17(24)12-10-16/h4,7-12,18-19H,3,5-6,13-15H2,1-2H3/t18-,19+ F8508514F875CB41