2-ammino-9-isopropil-6-metil-5H-<1>benzopirano<2,3-d>pirimidin-5-one

4-(3-chloro-4-methoxy-phenyl)-6-pyridin-3-yl-pyrimidin-2-ylamine

5-(2-amino-4,6-dioxo-5-(prop-2-yn-1-yl)-1,4,5,6-tetrahydropyrimidin-5-yl)pentanoic acid