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S-2-Hydroxy-4-methylvaleric acid

S-2-chlorobutyric acid

S-2-Chloro-4-methylvaleric acid

S-2-Bromopropionic acid

S-2-Bromobutyric acid

S-2-Bromovaleric acid

L-5-Hydroxytryptophan

DL-α-aminoadipic acid

DL-Glutamic Acid

Canavanine sulfate