InChI=1/C18H17F4NO3/c19-12-3-1-11(2-4-12)15-5-6-16(18(20,21)22)23(15)8-7-14-9-13(24)10-17(25)26-14/h1-6,13-14,24H,7-10H2/t13-,14-/m1/s1 33E745AB4D3C5982