Bernard Boitrel, Lecas Alexandra, Eric Rose. 1H N.M.R. Studies of Chiral Porphyrins derived from meso-Tetrakis-{2-amino-phenyl) Porphyrins: Simple Proof of the Absence of Racemisation of the Chiral Amino Acid Residues during their Synthesis.
Journal of the Chemical Society, Chemical Communications, Royal Society of Chemistry, 1989, pp.349-350.
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