1206102-10-4

(4R,12aS)-9-Bromo-3,4,12,12a-tetrahydro-4-methyl-7-(phenylmethoxy)-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-d2-6,8-dione is an isotope labelled intermediate of Dolutegravir (D528800), a second generation HIV-1 integrase strand transfer inhibitor.