InChI=1/C15H18N4O2/c1-2-4-13-12(3-1)16-14(17-13)19-18-11-5-7-15(8-6-11)20-9-10-21-15/h1-4H,5-10H2,(H2,16,17,19)/f/h16,19H	7EE36E30C90C9D51