2,6-Piperidinedione, 3-ethyl-4-hydroxy-3-phenyl- 3-Ethyl-4-hydroxy-3-phenyl-2,6-piperidinedione 4-Hydroxy-2-ethyl-2-phenylglutarimide 4-Hydroxyglutethimide 4-Hydroxytglutethimide 50275-61-1 Glutarimide, 2-ethyl-4-hydroxy-2-phenyl-