Synonyms: N-Formyllenalidomide, Formamide, N-[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1-oxo-1H-isoindol-4-yl]- (ACI), N-[1,3-Dihydro-2-(2,6-dioxo-3-piperidyl)-1-oxo-2H-isoindol-4-yl]formamide, N-Formyllenalidomide, N-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)formamide