Synonyms: 1,4-Cyclohexadiene-1-aceticacid, a-[(2-carboxy-1-methylvinyl)amino]-,a-methyl ester, sodium salt, D-(8CI);1,4-Cyclohexadiene-1-acetic acid, a-[(3-methoxy-1-methyl-3-oxo-1-propenyl)amino]-,monosodium salt, (R)-;1,4-Cyclohexadiene-1-acetic acid, a-[(3-methoxy-1-methyl-3-oxo-1-propenyl)amino]-,monosodium salt, (aR)- (9CI);