N-Hydroxy-6-(2,2,2-trifluoro-ethoxy)-nicotinamidine

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

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

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

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

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

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

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

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

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

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