Synonyms: 2,6-piperidinedione, 4-[2-(2-hydroxy-3,5-dimethylphenyl)-2-oxoethyl]-;4-[2-(2-Hydroxy-3,5-dimethylphenyl)-2-oxoethyl]-2,6-piperidinedione;4-[2-(2-Hydroxy-3,5-dimethylphenyl)-2-oxoethyl]piperidine-2,6-dione;b-(3,5-Dimethyl-2-hydroxybenzoylmethyl)glutarimide