Synthesis of Tricyclic and Tetracyclic Lactone Derivatives of Thieno[2,3-b]pyrazine or Thieno[2,3-b]quinoline: Preliminary Antitumor and Antiparasitic Activity Evaluation - Martins, Maria F.; Ribeiro, Francisco; Borges, Ana; Calhelha, Ricardo C.; Santarém, Nuno; Cordeiro-da-Silva, Anabela; Queiroz, Maria-João R. P. (Molecules, 2025)