(1R,5S)-8-(benzo[d][1,3]dioxol-5-ylmethyl)-8-azabicyclo[3.2.1]octan-3-one

tert-butyl (2-(4-methoxy-3-(methylthio)phenyl)-2-oxoethyl)carbamate

tert-butyl (Z)-(2-(3,4-diethoxyphenyl)-2-(hydroxyimino)ethyl)carbamate

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

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

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

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

2-amino-5-[(4-fluorophenyl)methyl]-5-(4-methylphenyl)-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-(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