(+)-(1R,3S,4R)-3-acetoxy-4-<(benzoyloxy)methyl>cyclopentanecarboxylic acid

(-)-(1R,6R,8R)-8-<(benzyloxy)methyl>-3-phenyl-2,4-dioxabicyclo<4.3.0>nonane

(+)-(1R,3S,4R)-N-<3-acetoxy-4-<(benzoyloxy)methyl>cyclopentyl>urea