It refers to an antiviral toxin (antibacterials chemically modified for mitochondria), which is characterized by its containing an antibacterial agent with sensitive anti mitochondrial properties, and is selected from a population consisting of at least one family member of tetracycline, erythromycin, ketamine and dipyridopan acid, 1. Atovacuona or bedaquirina; and a signal lamp, which targets a membrane containing mitochondrial fatty acids. This kind of antibiotic has radiosensitivity, photosensitivity, and the sensitivity of carcinogenic cells to chemotherapeutic agents, natural substances and / or caloric restriction.It's useful in treating cancer He also mentioned a pharmacology composer who contained the antiviral and how it was synthesized.Referido a una antimitoscina (antibiotico modificado quimicamente para dirigirse a las mitocondrias) caracterizada porque comprende un antibiotico que tiene propiedades anti-mitocondriales intrinsecas, seleccionado del grupo que comprende por lo menos un miembro de la familia de tetraciclina, eritromicina, cloranfenicol, pamoato de pirvinio, atovacuona o bedaquilina; y una senal que fija como objetivo una membrana que comprende un acido graso mitocondrial. Dicha antimitoscina tiene actividad radiosensibilizante, fotosensibilizante, sensibiliza las celulas cancerosas hacia agentes quimioterapeuticos, sustancias naturales y/o restriccion calorica; siendo util en el tratamiento del cancer. Tambien se refiere una composicion farmaceutica que contiene dicha antimitoscina y metodo de sintesis de dicha antimitoscina.