Absolute quantification
7A, 25-DIHYDROXYCHOLESTEROL (7A25-OHC)
7A, 27-DIHYDROXYCHOLESTEROL (7A27-OHC)
7A, 24(S)-DIHYDROXYCHOLESTEROL (7A24S-OHC)
7B, 25-DIHYDROXYCHOLESTEROL (7B25-OHC)
7B, 27-DIHYDROXYCHOLESTEROL (7B27-OHC)
25-HYDROXYCHOLESTEROL (25-OHC)
27-HYDROXYCHOLESTEROL (27-OHC)
24(S)-HYDROXYCHOLESTEROL (24S-OHC)
24(S)-HYDROXYCHOLESTEROL (24S-OHC)