InChI=1/C14H15N5O/c1-8-10(9(2)19-18-8)7-13(20)17-14-15-11-5-3-4-6-12(11)16-14/h3-6H,7H2,1-2H3,(H,18,19)(H2,15,16,17,20)/f/h15-16,18H 2D0B4CB912B6ADC8