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. 2016 May;102:214–222. doi: 10.1016/j.ejpb.2016.03.002

Fig. 8.

Fig. 8

1H NMR spectra of tetracaine in deuterium oxide, (a) pH 4, (b) pH 6, (c) pH 7.6, (d) pH 9 and (e) pH 10 in a concentration above the experimentally determined critical aggregation concentration.