Etoposide EP Impurity Q

Chemical Name: 5-(4-hydroxy-3,5-dimethoxyphenyl)[2]benzofuro[5,6-f][1,3]benzodioxol-6(8H)-one

Synonym: Defluoro Dolutegravir ; (4R,12aS)-N-(4-Fluorobenzyl)-7-hydroxy-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-carboxamide