4-氟-3-硝基苯甲酸叔丁酯

tert-butyl 2-(2-methylphenyl)acetate

2-Methyl-2-propanyl 4-{[(benzyloxy)carbonyl]amino}butanoate

2-Methyl-2-propanyl 5-{[(benzyloxy)carbonyl]amino}pentanoate

2-Methyl-2-propanyl (2S)-2-acetoxy-3-methylbutanoate