InChI=1/C13H13N3O3/c1-18-10-4-7-3-8-12(14-6-15-13(8)17)16-9(7)5-11(10)19-2/h4-6H,3H2,1-2H3,(H2,14,15,16,17)/f/h15-16H 9998C64EF83FCC43