What are the main uses of Sodium (4aR,6R,7R,7aR)-6-[6-(butyrylamino)-9H-purin-9-yl]-7-(butyryloxy)tetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-olate 2-oxide (CAS: 16980-89-5)?

This compound is primarily used in pharmaceutical research for its potential biological activity, particularly in the development of drugs targeting specific metabolic pathways. It may also find applications in organic synthesis and as a reagent in chemical research. Its unique structure makes it valuable for studying enzyme interactions and drug design. Search terms like 'purine derivative' and 'dioxaphosphinine compound' are relevant for its chemical classification.