(1S,11R,13R)-5-methoxy-3,6-dioxo-12-oxa-2,9-diazatetracyclo[11.2.1.02,11.04,9]hexadeca-4,7-diene-7-carboxylic acid

This compound is a pharmaceutical intermediate used in the manufacturing of bictegravir. It is a multicyclic molecule containing carboxylic acid, amide, and ether functional groups, with defined stereochemistry.