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. 1999 Mar;126(5):1075–1082. doi: 10.1038/sj.bjp.0702399

Figure 2.

Figure 2

Comparison of the u.v. spectra of M-1 (A), M-2 (B) and M-3 (C) with those of either MPA (B and C); or MPAG (A). The spectra were determined with a diode array detector and the highest relative absorption maximum for each compound was arbitrarily set at 50%. Spectra were then normalized according to the highest relative maximum. The wavelengths of each absorption maximum are illustrated in the Figure. Values in parentheses correspond to the metabolites M-1, M-2 or M-3 and values not in parentheses either MPA or MPAG.