1-hydroxy-4-methyl-6-phenylpyrimidin-2-imine

2-amino-6-methyl-4-phenylpyrimidine 1-oxide

5-丙基-1,2,4-恶二唑-3-胺

4-amino-N-(5-methyl-1,2,4-oxadiazol-3-yl)benzenesulfonamide

5-叔丁基-1,2,4-噁二唑-3-胺