Fostemsavir Tris is the prodrug of BMS-626529,is a oral, safe and effective?inhibitor of HIV-1 attachment.?It inhibits human immunodeficiency virus type 1 (HIV-1) infection by binding to gp120 and interfering with the attachment of virus to CD4+ T-cells.

Thiamine, also known as thiamin or vitamin B1, is a vitamin found in food and manufactured as a dietary supplement and medication. Thiamine also acts as a cofactor for many centrally metabolizing enzymes.

Abacavir hydroxyacetate is an orally active nucleoside analog reverse transcriptase inhibitor.