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Fig. 2. (A) Molecular spectrum obtained by HPLC-APPI-MS of a representative
covalently bound cerebroside. This spectrometric profile might correspond to
cerebroside OS, a cerebroside with a terminal hydroxyl group at the omega
position of the fatty acid moiety. (B) Interpretation of the molecular
structure of the fragments of cerebroside OS 40:0. See text for
explanation.