InChI=1/C19H19N3O4S/c23-18-16-11-15(8-9-17(16)21-19(18)24)27(25,26)22-10-4-7-14(22)12-20-13-5-2-1-3-6-13/h1-3,5-6,8-9,11,14,20H,4,7,10,12H2,(H,21,23,24)/t14-/m1/s1/f/h21H 3655A66899C84CCA