InChI=1/C13H13F2N3O3/c1-13(2)11(20)18(12(21)17-13)6-10(19)16-9-4-7(14)3-8(15)5-9/h3-5H,6H2,1-2H3,(H,16,19)(H,17,21)/f/h16-17H 045B295F07BC17D5