InChI=1/C18H15N3O5/c1-10-6-5-8-13(15(10)21(24)25)17(22)19-20-18(23)16-11(2)12-7-3-4-9-14(12)26-16/h3-9H,1-2H3,(H,19,22)(H,20,23)/f/h19-20H 207DD7AC14F837BC