![(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid (synonym: Dolutegravir Impurity 21)](http://crslaboratories.com/cdn/shop/files/CRSD1660_d4644719-9f5e-47d4-83c0-ab1d477c6827_700x700.png?v=1721339689)
(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid (synonym: Dolutegravir Impurity 21)
CAS: 1335210-34-8
Molecular Formula: C14H16N2O6
Molecular Weight: 308.3
CRS Part Number: CRSD1660