InChI=1/C15H16N4O3/c1-3-8-19-14(21)11-13(18(2)15(19)22)17-12(16-11)9-4-6-10(20)7-5-9/h4-7,20H,3,8H2,1-2H3,(H,16,17)/f/h16H 7E133D98C389C4E3