InChI=1/C21H17FN2O6/c1-28-15-7-9-19(29-2)16(11-15)18(25)12-30-21(27)17-8-10-20(26)24(23-17)14-5-3-13(22)4-6-14/h3-11H,12H2,1-2H3 64CFBE0BC782A795