(1R,5S)-8-phenethyl-8-azabicyclo[3.2.1]octan-3-one

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

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

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

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

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

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

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

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

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

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