Technetium (99mTc) arcitumomab was a drug used for the diagnostic imaging of colorectal cancers, marketed by Immunomedics. It consisted of the Fab' fragment of a monoclonal antibody (arcitumomab, trade name CEA-Scan) and a radionuclide, technetium-99m.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.