InChI=1/C14H18N4O/c1-9(2)19-12-5-3-4-10(7-12)6-11-8-17-14(16)18-13(11)15/h3-5,7-9H,6H2,1-2H3,(H4,15,16,17,18)/f/h15-16H2 174DC0858DD4B62D