InChI=1/C16H21F2NO4/c1-3-11(9-20)19-14(8-15(21)23-4-2)16(22)10-5-6-12(17)13(18)7-10/h5-7,11,14,19-20H,3-4,8-9H2,1-2H3/t11-,14+/m0/s1	C56A33BE53EEE134