3,3'-diiodothyronamine + iodide + A + H(+) = 3,3',5-triiodothyronamine + AH2
3,3'-diiodothyronamine + iodide + a + h(+) = 3,3',5-triiodothyronamine + ah2
3,3'-diiodothyronamine + iodide + A + H(+) = 3,3',5-triiodothyronamine + AH2
3,3'-diiodothyronamine + iodide + a + h(+) = 3,3',5-triiodothyronamine + ah2