3,3',5'-triiodo-L-thyronine + AH2 => 3,3'-diiodo-L-thyronine + iodide + A + H(+)
3,3',5'-triiodo-l-thyronine + ah2 => 3,3'-diiodo-l-thyronine + iodide + a + h(+)
3,3',5'-triiodo-L-thyronine + AH2 => 3,3'-diiodo-L-thyronine + iodide + A + H(+)
3,3',5'-triiodo-l-thyronine + ah2 => 3,3'-diiodo-l-thyronine + iodide + a + h(+)