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

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

1,5-二甲基-3-苯基吡唑

1,3-dimethyl-5-phenyl-1H-pyrazole

3-甲基-5-苯基-1H-吡唑