InChI=1/C14H18N4O3/c1-9(2)17-7-11-12(15-8-17)18(14(20)16-13(11)19)6-10-4-3-5-21-10/h3-5,9,15H,6-8H2,1-2H3,(H,16,19,20)/f/h16H 29E5109DBEE7A27A