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

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

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

2-amino-5-benzyl-5-(furan-2-yl)-4,5-dihydro-1H-imidazol-4-one

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

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

3-butyl-1-methyl-4,5-dihydro-1H-pyrazol-5-one

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

1-(4-chlorophenyl)-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one

5-chloro-3-ethyl-1-phenyl-1H-pyrazole-4-carbaldehyde

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