(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((3-methylpentan-3-yl)oxy)-4-oxobutanoic acid
(S)-3-(((Benzyloxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid
2,4-Diamino-4-oxobutanoic acid
3-Amino-4-methoxy-4-oxobutanoic acid
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-amino-4-oxobutanoic acid
(S)-4-Amino-2-(2-aminoacetamido)-4-oxobutanoic acid
(S)-3-Amino-4-methoxy-4-oxobutanoic acid
(S)-3-Benzyl-4-methoxy-4-oxobutanoic acid
(S)-2,4-Diamino-4-oxobutanoic acid hydrate
(R)-4-Methoxy-3-methyl-4-oxobutanoic acid
4-(3,4-Dihydroquinolin-1(2H)-yl)-4-oxobutanoic acid
3-Benzyl-4-methoxy-4-oxobutanoic acid
(R)-3-Amino-4-methoxy-4-oxobutanoic acid
4-Ethoxy-2-methylene-4-oxobutanoic acid
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxy-4-oxobutanoic acid
2-Amino-4-(methylamino)-4-oxobutanoic acid
4-(Dibenzo[b,f]azocin-5(6H)-yl)-4-oxobutanoic acid
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(dimethylamino)-4-oxobutanoic acid
4-(Allyloxy)-4-oxobutanoic acid
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((5-butylnonan-5-yl)oxy)-4-oxobutanoic acid
