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Potassium 4-iodobenzenesulfonate

(S)-Piperazine-2-carboxylic acid

Potassium iodide

N-Phenylglycine potassium salt

(R)-Piperazine-2-carboxylic acid

Potassium iodate

(R)-(-)-2-Phenylglycine chloride hydrochloride

(R)-(+)-2-Piperazinecarboxylic acid dihydrochloride

N-Phenylglycine

(S)-Piperazine-2-carboxylic acid dihydrochloride