InChI=1/C20H25FN2O2/c1-24-20-8-3-2-7-19(20)23-12-10-22(11-13-23)16-17-5-4-6-18(15-17)25-14-9-21/h2-8,15H,9-14,16H2,1H3/p+1/fC20H26FN2O2/h22H/q+1 96238B2FED99DFA7