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Bulychev, É.Y., Pisarenko, Y.A. & Efremov, D.L. Solvent Regeneration in the Synthesis of Vitamin E. Pharmaceutical Chemistry Journal 35, 520–521 (2001). https://doi.org/10.1023/A:1014007111895
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DOI: https://doi.org/10.1023/A:1014007111895