InChI=1/C14H15N5O2/c1-20-9-5-6-11-10(7-9)16-14(12-13(15)18-21-17-12)19(11)8-3-2-4-8/h5-8H,2-4H2,1H3,(H2,15,18)/f/h15H2 CA2B9469F4186344