InChI=1/C20H21F3N4O4/c21-20(22,23)14-31-18-3-1-2-15(12-18)13-24-19(28)26-10-8-25(9-11-26)16-4-6-17(7-5-16)27(29)30/h1-7,12H,8-11,13-14H2,(H,24,28)/f/h24H 53671C2BF7C14B67