InChI=1/C13H16FN3O4/c1-7-5-16(6-8(2)21-7)13(18)9-3-11(15)10(14)4-12(9)17(19)20/h3-4,7-8H,5-6,15H2,1-2H3/t7-,8+ 6AAC5D4442EBE6A1