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Plot of initial rate for the loss of [6Li,15N]LDA in 1:1 mixtures of [6Li]LDA and [6Li,15N]LDA versus total [LDA] titer at −60 °C in 12.2 M THF. The curve depicts an unweighted least-squares fit to y = a[LDA]n. [a = (1.9 ± 0.3) × 10–4, n = 1.7 ± 0.1].
