*3.4. Compound Characterization Data*

(25S)-5α-cholestane-3β,5,6β,14,15α,16β,26-heptaol (**1**): Colorless amorphous powder; [α] 25 *<sup>D</sup>* + 9.5 (*c* 0.8, MeOH); IR (KBr) νmax 3401, 2943, 2870, 1385, 1048, 1017, 964 cm<sup>−</sup>1; (+)HRESIMS *m*/*z* 507.3292 [M + Na]<sup>+</sup> (calcd for C27H48O7Na, 507.3292); (−)HRESIMS *m*/*z* 483.3321 [M – H]– (calcd for C27H47O7, 483.3327); 1H-NMR data, see Table 1; 13C-NMR data, see Table 2.

(25S)-5α-cholestane-3β,6β,14,15α,16β,26-hexaol (**2**): Colorless amorphous powder; [α] 25 *<sup>D</sup>* + 14.4 (*c* 0.1, MeOH); (+)HRESIMS *m*/*z* 491.3337 [M + Na]<sup>+</sup> (calcd for C27H48O6Na, 491.3343); (−)HRESIMS *m*/*z* 467.3379 [M – H]– (calcd for C27H47O6, 467.3378); 1H-NMR data, see Table 1; 13C-NMR data, see Table 2.

(25S)-5β-cholestane-3β,6β,14,15α,16β,26-hexaol (**3**): Colorless amorphous powder; [α] 25 *<sup>D</sup>* + 13.3 (*c* 0.1, MeOH); (+)HRESIMS *m*/*z* 491.3341 [M + Na]<sup>+</sup> (calcd for C27H48O6Na 491.3343); (−)HRESIMS *m*/*z* 467.3380 [M – H]– (calcd for C27H47O6, 467.3378); 1H-NMR data, see Table 1; 13C-NMR data, see Table 2.

(25S)-5β-cholestane-3β,4α,6β,14,15α,16β,26-heptaol (**4**): Colorless amorphous powder; [α] 25 *<sup>D</sup>* + 15.5 (*<sup>c</sup>* 0.1, MeOH); (+)HRESIMS *<sup>m</sup>*/*<sup>z</sup>* 507.3290 [M <sup>+</sup> Na]<sup>+</sup> (calcd for C27H48O7Na, 507.3292); (−)HRESIMS *m*/*z* 483.3327 [M – H]– (calcd for C27H47O7, 483.3327); 1H-NMR data, see Table 1; 13C-NMR data, see Table 2.
