trans-1,2-Cyclohexanediol1460-57-730 % similar Erythritol149-32-630 % similar cis-1,2-Cyclohexanediol1792-81-030 % similar L-Threitol2319-57-530 % similar Threitol2418-52-230 % similar Azetidine hydrochloride36520-39-530 % similar Cyclohexane-1,2-diol931-17-930 % similar