20-Hydroxycholesterol, 17-Hydroxycholesterol, 14-Hydroxycholesterol, 15-Hydroxycholesterol, 16-Hydroxycholesterol, 20,25-Dihydroxycholesterol, 17,25-Dihydroxycholesterol, 14,25-Dihydroxycholesterolなどの、コレステロール酸化物ライブラリー化合物群