2-Phenyl-4-thiazolidine-4-carboxylic acid 2-Phenyl-4-thiazolidinecarboxylic acid 2-Phenylthiazolidine-4-carboxylic acid 4-Carboxy-2-phenylthiazolidine 4-THIAZOLIDINECARBOXYLIC ACID, 2-PHENYL- 4-Thiazolidinecarboxylic acid 2-phenyl- 42607-21-6 NSC 522094