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Abstract 13C chemical shifts and 13C205Tl spin–spin coupling constants are reported for phenylthallium(III) bis(trifluoroacetate) and some of its mono‐ and dimethyl derivatives. The signs of nJ(13C, 205Tl) relative to n+1J(1H, 205Tl) are determined by offresonance decoupling of protons.
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Ludger Ernst (1974) studied this question.
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