InChI=1/C15H15N3O3/c1-3-8-20-11-7-5-4-6-10(11)13-16-14(19)12-9(2)18-21-15(12)17-13/h4-7H,3,8H2,1-2H3,(H,16,17,19)/f/h16H FE983D05F22C1C7B