Dolutegravir impurity 23

Chemical Name: (R)-3-(7-((2,4-difluorobenzyl)carbamoyl)-9-hydroxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-2-yl)butyl (2,4-difluorobenzyl)carbamate

Synonym: (3R)-3-{[(2,4-difluorophenyl)methyl] carbamoyl]-9-hydroxy-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-2-yl)butyl (2,4-difluorophenyl)methyl]carbamate ; Dolutegravir Carbamte impurity