4-Amino-5-(2-hydroxy-phenyl)-2-methyl-1,2-dihydro-pyrazol-3-one; hydrochloride
5-Amino-6-(2-hydroxy-phenyl)-2-(4-methyl-piperazin-1-yl)-3H-pyrimidin-4-one
5-Amino-2-(4-amino-phenyl)-6-(2-hydroxy-phenyl)-3H-pyrimidin-4-one
5-Amino-6-(2-hydroxy-phenyl)-2-phenyl-3H-pyrimidin-4-one
5-Amino-2-ethyl-6-(2-hydroxy-phenyl)-3H-pyrimidin-4-one