3,3'-diiodo-L-thyronine(out) <=> 3,3'-diiodo-L-thyronine(in)
3,3'-diiodo-l-thyronine(out) <=> 3,3'-diiodo-l-thyronine(in)
3,3'-diiodo-L-thyronine(out) <=> 3,3'-diiodo-L-thyronine(in)
3,3'-diiodo-l-thyronine(out) <=> 3,3'-diiodo-l-thyronine(in)