InChI=1/C14H18N4O/c1-9(2)18(8-13(16)19)12-6-5-11(15)14-10(12)4-3-7-17-14/h3-7,9H,8,15H2,1-2H3,(H2,16,19)/f/h16H2 E844A98ED901EDAF