InChI=1S/C20H17FN4O3/c21-13-3-1-2-12(8-13)6-7-25-20(27)15-10-18-16(9-17(15)22-23-25)19(26)24(11-28-18)14-4-5-14/h1-3,8-10,14H,4-7,11H2