InChI=1/C14H14N4O2/c1-2-3-10-12-11(8-4-5-19-7-8)9(6-15)13(16)20-14(12)18-17-10/h4-5,7,11,14H,2-3,16H2,1H3/t11-,14+/m1/s1 8F05D8EA648A662B