InChI=1/C19H20ClFN2O5/c1-5-27-18(25)15-9(2)16(22-10(15)3)19(26)28-11(4)17(24)23-14-7-6-12(20)8-13(14)21/h6-8,11,22H,5H2,1-4H3,(H,23,24)/t11-/m0/s1/f/h23H A4234EE39A7C03CD