InChI=1/C16H18F3N3O4/c1-14(2,3)15(24)9-12(16(17,18)19)20-21(15)13(23)8-10-4-6-11(7-5-10)22(25)26/h4-7,24H,8-9H2,1-3H3/t15-/m1/s1 4B361D556F644AE6