(2R,4S)-2-((R)-Carboxy(2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid; (?R,2R,4S)-4-Carboxy-5,5-dimethyl-?-[(2-phenylacetyl)amino]-2-thiazolidineacetic Acid; [2R-[2?(R*),4?]]-4-Carboxy-5,5-dimethyl-?-[(phenylacetyl)amino]-2-thiazolidineacetic Acid;
