(1R,4S,5R)-4-benzyloxy-5-methoxy-3-methyl-cyclopent-2-enol

(1R,2S,3R,4S,5S)-3-allyl-4-benzyloxy-2-hydroxymethyl-5-methoxy-3-methylcyclopentan-1-ol

((1R,4S,5R)-4-benzyloxy-5-methoxy-3-methyl-cyclopent-2-enyloxy)(bromomethyl)dimethyl-silane

(3R,4S,5R)-5-allyl-4-benzyloxy-2-hydroxy-3-methoxy-5-methyl-cyclopent-1-ene-1-carboxylic acid methyl ester

(1R,2R,3S,4S,5R)-2-allyl-3-benzyloxy-5-hydroxy-4-methoxy-2-methyl-cyclopentane-1-carboxylic acid methyl ester