[
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        "prototype-label" {
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        } 
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                0.28992198 
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                0.61949299 
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        } 
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        "binding-potential-energy-per-formula" {
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        } 
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    } 
    {
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        "prototype-label" {
            "source-value" "A_hP68_194_ef2h2kl"
        } 
        "stoichiometric-species" {
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        } 
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]