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Yields of autoxidation products of CHOL under different derivatization conditions. One milligram of CHOL was treated with MSTFA, and the trimethylsilyl ethers of PREG, DHEA, and ADIOL were measured by GC-MS. Heptafluorobutyrates of PREG, DHEA, and ADIOL were measured by GC-MS following treatments with HFBA or TEA/HFBA. Data presented are means ± SEM (n = 4).
