InChI=1/C15H15N3O4/c1-18-6-2-3-11(18)15(20)17-16-14(19)10-4-5-12-13(9-10)22-8-7-21-12/h2-6,9H,7-8H2,1H3,(H,16,19)(H,17,20)/f/h16-17H 6602ADBDB569A2A6