4-(((1R,2R,4aR,5R,8aS)-2-((3-Carboxypropanoyl)oxy)-1,4a-dimethyl-6-methylene-5-((E)-2-(2-oxo-2,5-dihydrofuran-3-yl)vinyl)decahydronaphthalen-1-yl)methoxy)-4-oxobutanoic acid
4-((4-(1H-Benzo[d]imidazol-2-yl)phenyl)amino)-4-oxobutanoic acid
(S)-4-Methoxy-2-methyl-4-oxobutanoic acid
4-Methoxy-3,3-dimethyl-4-oxobutanoic acid
(S)-4-(tert-Butoxy)-2-methyl-4-oxobutanoic acid
(S)-2-Benzyl-4-(tert-butoxy)-4-oxobutanoic acid
2-Amino-4-(2-formamidophenyl)-4-oxobutanoic acid
(R)-4-(tert-Butoxy)-2-isopropyl-4-oxobutanoic acid
(R)-2-Benzyl-4-(tert-butoxy)-4-oxobutanoic acid
4-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)-4-oxobutanoic acid
4-Methoxy-4-oxobutanoic acid
4-(sec-Butoxy)-4-oxobutanoic acid
4-((4-(4-Chlorophenoxy)phenyl)amino)-4-oxobutanoic acid
4-(Hydroxyamino)-4-oxobutanoic acid
(S)-4-Amino-2-(2-aminoacetamido)-4-oxobutanoic acid
2-Oxobutanoic acid
4-Chloro-3-oxobutanoic acid
(R)-3-Amino-4-methoxy-4-oxobutanoic acid
4-((4-Ethoxyphenyl)amino)-4-oxobutanoic acid
(R)-4-(tert-Butoxy)-2-(3-fluorophenyl)-4-oxobutanoic acid
