(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