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Chiral LC-MS of human epidermis triols. Samples were analyzed using a Chiralpak AD-H column as described in the legend to Fig. 8 except that the products were detected by APCI-LC-MS. A, human epidermal triol-1 PFB-DMP derivative. B, racemic standard of triol-1. C, co-injection of racemic standard of triol-1 PFB-DMP and human epidermal triol-1. D, human epidermal major triol-3. E, racemic standard. F, co-injection of racemic standard of triol-3 PFB-DMP and human epidermal triol-3.
