diiodobis(5-iodopyridin-2-amine)mercury dihydroiodide diiodobis(5-iodo-2-pyridinamine)-mercur dihydriodide diiodobis(5-iodo-2-pyridinamine)-mercurdihydriodide Mercurate(2-), tetraiodo-, (T-4)-, dihydrogen, compd. with 5-iodo-2-pyridinamine Mercury, diiodobis(5-iodo-2-pyridinamine)-, dihydriodide Mercury,diiodobis(5-iodo-2-pyridinamine)-,dihydriodide