InChI=1/C16H15F2NO4/c17-10-4-5-13(12(18)8-10)19-9-11-14(20)22-16(23-15(11)21)6-2-1-3-7-16/h4-5,8-9,11H,1-3,6-7H2 DAC72F0E8662EFC0