InChI=1/C14H23FN2O4/c1-4-8(5-2)21-13-11(15)9(14(19)20)6-10(16)12(13)17-7(3)18/h8,10,12-13H,4-6,16H2,1-3H3,(H,17,18)(H,19,20)/t10-,12+,13+/m0/s1/f/h16-17H 44CCB2F0B65EF6A2