(S)-demethyl-4-deoxygadusol <=> (R)-demethyl-4-deoxygadusol
(s)-demethyl-4-deoxygadusol <=> (r)-demethyl-4-deoxygadusol
(S)-demethyl-4-deoxygadusol <=> (R)-demethyl-4-deoxygadusol
(s)-demethyl-4-deoxygadusol <=> (r)-demethyl-4-deoxygadusol