2-amino-5-benzyl-5-(3-nitrophenyl)-4,5-dihydro-1H-imidazol-4-one

2-amino-5-(3-methoxyphenyl)-5-[(thiophen-2-yl)methyl]-4,5-dihydro-1H-imidazol-4-one

2-amino-5-(4-chlorophenyl)-5-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one

2-amino-5-(4-chlorophenyl)-5-[(furan-2-yl)methyl]-4,5-dihydro-1H-imidazol-4-one

2-amino-5-(thiophen-2-yl)-5-[(3,4,5-trimethoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one

1-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one

3-ethyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one

1-(4-methoxyphenyl)-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one

1-(2-fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one

3-butyl-1-(3-fluorophenyl)-4,5-dihydro-1H-pyrazol-5-one

5-chloro-3-ethyl-1-(2-fluorophenyl)-1H-pyrazole-4-carbaldehyde