InChI=1/C19H20N2O5S/c1-5-11-9-12(16(22)25-4)15(27-11)21-18(24)19(3)17(23)20-13-8-10(2)6-7-14(13)26-19/h6-9H,5H2,1-4H3,(H,20,23)(H,21,24)/t19-/m0/s1/f/h20-21H C22F3ABD80125468