InChI=1S/C16H16F3N3O4/c17-16(18,19)26-12-7-3-10(4-8-12)9-1-5-11(6-2-9)25-14-13(15(23)24)20-22-21-14/h3-4,7-9,11H,1-2,5-6H2,(H,23,24)(H,20,21,22)/t9-,11-