Entasis Therapeutics Holdings Inc. has described mannan-binding lectin serine protease 2 (MASP2) and/or mannan-binding lectin serine protease 3 (MASP3) inhibitors reported to be useful for the treatment of thrombotic microangiopathy, ischemia-reperfusion injury, disseminated intravascular coagulation, graft-versus-host disease, diffuse alveolar hemorrhage syndrome, and renal, eye and cardiovascular disorders, among others.