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. 2014 Jan 27;12(2):746–756. doi: 10.3390/md12020746

Figure 5.

Figure 5

Chiral HPLC analysis of the amino acid derivatives of compounds 1–3 (Phenomenex-Chirex 3126 column, 250 × 4.60 mm, 5 μm; Gradient: 10% aqueous acetonitrile with 2 mM CuSO4·5H2O, detected at 225 nm).