Anastrax® An antineoplastic agent, an estrogen synthesis inhibitor. Tablets, film-coated, 1 mg each. Zoledrex® Inhibitor of bone resorption, bisphosphonate. Lyophilizate for the preparation of a solution for infusions of 4 mg. Letrosa® Antitumor agent, estrogen synthesis inhibitor Tablets, film-coated at 2.5 mg.