InChI=1/C18H13N3O3/c1-9(22)19-13-4-2-3-12-14(13)18(24)15-16(20-21-17(12)15)10-5-7-11(23)8-6-10/h2-8,23H,1H3,(H,19,22)(H,20,21)/f/h19,21H 91A93177271DDFBA