The present invention relates to a new crystalline phase (3R, 3S) - delta_lambda________4'-(3-1-alpha_beta__sulfonic acid) (absd L-lysine) and its use.Especially in the pharmaceutical industry, on Friday's process and method.The invention relates to a pharmaceutical composition which also contains at least one crystalline phase (3R, 3S) 4.4-(1-3-alpha__beta___________sulfonic acid) (absd) L-lysine and the therapeutic or preventive use of such a crystalline phase This includes.
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