InChI=1/C28H31FN2O4/c1-18-5-7-19(8-6-18)15-20-3-2-4-25-26(14-13-23(32)16-24(33)17-27(34)35)31(30-28(20)25)22-11-9-21(29)10-12-22/h5-14,20,23-24,32-33H,2-4,15-17H2,1H3,(H,34,35)/p-1/b14-13+/t20-,23+,24+/m0/s1/fC28H30FN2O4/q-1 19B519C6D558F8BB