(+/-)MCPG;(+/-)-ALPHA-METHYL-(4-CARBOXYPHENYL)GLYCINE;(RS)-ALPHA-METHYL-4-CARBOXYPHENYLGLYCINE;(RS)-A-METHYL-4-CARBOXYPHENYLGLYCINE;(RS)-MCPG;(+/-)-A-METHYL-(4-CARBOXYPHENYL)GLYCINE;(+-)-A-METHYL-4-CARBOXYPHENYLGLYCINE MET ABOTROPIC GLUTAMAT;[+/-]-MCPG