InChI=1/C23H27FN2O3/c1-3-29-23(28)19-10-8-18(9-11-19)17-6-4-16(5-7-17)15(2)21(25)22(27)26-13-12-20(24)14-26/h4-11,15,20-21H,3,12-14,25H2,1-2H3/t15-,20-,21-/m0/s1 8883D90A12FACB4D