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Cysteine (Cys, C) Amino Acid, Molecular Model.
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Hexamethylenediamine, Nylon (Polyamide) Building Block.
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Nylon (Nylon-6,6) Plastic Polymer, Chemical Structure - Detail.
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Glycine (Gly, G) Amino Acid, Molecular Model.
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Lysine (Lys, K) Amino Acid, Molecular Model.
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Proilne (Pro, P) Amino Acid, Molecular Model.