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Molecular formula
PtXe Pb Pt++ Pu Pr
PbPd PoSc PtZn Po PbPt
PdYb PbTi Pb2 PdY P4S8
Pb Pb2 PuSb PS3- PrSn
PmZn P2S PoTi PoZn PuTh
Po Po Pb Pb Pd
Pb Pa Pa Pa Pm
Pm Pr Pr Pu Po
Po Pb Pd Pd Pd
Po Pu Pt Pt Po