(4R,5R)-2,2,5-trimethyl-4-(prop-1-en-2-yl)-1,3-dioxane

(2RS,3RS)-S-phenyl 3-hydroxy-2,4-dimethylthioprop-4-enoate

(-)-(2S,3R,4R,5S,6R)-methyl 3,5,7-trihydroxy-2,4,6-trimethylpentanoate 5,7-acetonide