InChI=1/C19H19FN2O3/c20-14-7-12(18-13(8-14)10-24-11-25-18)9-22-6-2-4-15-16(19(21)23)3-1-5-17(15)22/h1,3,5,7-8H,2,4,6,9-11H2,(H2,21,23)/f/h21H2 A03AFFCE246E11C4