Iron(III) sulfite has the formula
AFe₃SO₃
BFe₂(SO₄)₃
CFe₂(SO₃)₃
DFe₂SO₄
EFe₂SO₃
AFe₃SO₃
BFe₂(SO₄)₃
CFe₂(SO₃)₃
DFe₂SO₄
EFe₂SO₃