Protective Groups

{[5-(2-furyl)-4H-1,2,4-triazol-3-yl]thio}acetic acid

N-[(2,3-dioxo-1,2,3,4-tetrahydroquinoxalin-6-yl)sulfonyl]glycine

4-[(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)amino]-4-oxobutanoic acid

3-(1-benzyl-5-oxo-2-thioxoimidazolidin-4-yl)propanoic acid

(1-allyl-5-oxo-2-thioxoimidazolidin-4-yl)acetic acid

3-(1-allyl-5-oxo-2-thioxoimidazolidin-4-yl)propanoic acid

3-(3-methoxy-4-methylphenyl)propanoic acid

[(1-phenyl-1H-benzimidazol-2-yl)thio]acetic acid

3-[(4,6-dimethylquinolin-2-yl)thio]propanoic acid

{[6-(acetylamino)-1,3-benzothiazol-2-yl]thio}acetic acid

[(4,6-dimethylquinolin-2-yl)thio]acetic acid

[(6-oxo-7,8,9,10-tetrahydro-6H-benzo[c]chromen-3-yl)oxy]acetic acid

N-(4-methylphenyl)-N-(methylsulfonyl)glycine

[(3,5-dimethylbenzyl)thio]acetic acid

[(2-methylbenzyl)thio]acetic acid

N-(3-methylphenyl)-N-(methylsulfonyl)glycine