title: Bisquaternary ammonium compounds as potential tumor imaging agents.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002813:Chondrosarcoma / Q000000981:diagnostic imaging* / Q000378:metabolism; D006584:Hexamethonium Compounds / Q000378:metabolism; D007457:Iodine Radioisotopes; D008297:Male; D009368:Neoplasm Transplantation; D011877:Radionuclide Imaging; D051381:Rats; D012513:Sarcoma, Experimental / Q000000981:diagnostic imaging / Q000378:metabolism; D014018:Tissue Distribution
chemical_list: D002250:Carbon Radioisotopes; D006584:Hexamethonium Compounds; D007457:Iodine Radioisotopes