FR F2 Northrop M2-F2 Europium(II) fluorida Samarium(II) fluorida Tulium(II) fluorida Radon difluorida Iterbium(II) fluorida
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FR F2 Northrop M2-F2 Europium(II) fluorida Samarium(II) fluorida Tulium(II) fluorida Radon difluorida Iterbium(II) fluorida