InChI=1/C15H15N3O3/c1-10-4-6-11(7-5-10)15(21)17-9-13(20)18-14-12(19)3-2-8-16-14/h2-8,19H,9H2,1H3,(H,17,21)(H,16,18,20)/f/h17-18H 9945DF3116989C02