Conditions to obtain precise and true measurements of the intramolecular 13C distribution in organic molecules by isotopic 13C nuclear magnetic resonance spectrometry - Bayle, K; Gilbert, A; Julien, M; Yamada, K; Silvestre, V; Robins, R J; Akoka, S; Yoshida, N; Remaud, G S (Anal Chim Acta, 2014)