InChI=1/C16H21FN2O2/c17-13-5-7-14(8-6-13)18-9-15(20)10-21-19-16(11-1-2-11)12-3-4-12/h5-8,11-12,15,18,20H,1-4,9-10H2/t15-/m0/s1 627AC12FF06EEA4A