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