Pentaric acid, 3-carboxy-2,3-dideoxy-, γ-lactone, 5-Oxo-tetrahydro-furan-2,3-dicarbonsaeure, DL-Isocityic Acid Lactone, DL-2-Oxotetrahydrofuran-4,5-dicarbox, DL-Isocitric Acid γ-Lactone, 5-oxo-tetrahydro-furan-2,3-dicarboxylic acid, DL-Isocitric Acid gaMMa-Lactone, ISOCITRIC ACID LACTONE,DL-(RG), DL-ISOCITRIC LACTONE, (±)-5-Oxotetrahydrofuran-2,3-dicarboxylic Acid, ISOCITRIC ACID LACTONE,DL, β,γ-Dicarboxy-γ-butyrolactone, ISOCITRIC ACID LACTONE, (2RS,3SR)-5-oxotetrahydrofuran-2,3-dicarboxylic acid, DL-Butyrolactone-β,γ-dicarboxylic Acid, ISOCITRICLACTONE