(4S,12aS)-3,4,6,8,12,12a-Hexahydro-7-hydroxy-4-methyl-6,8-dioxo-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic Acid, is an impurity of Dolutegravir, which is a second generation HIV-1 integrase strand transfer inhibitor.
Molecular Formula:C14H16N2O6
Molecular Weight:308.29
Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.