(4R,5R)-4-methyl-5-<(3,5-dinitrobenzoyloxy)methyl>-5-hexanolide

(4aR,8bR)-6,6-Dibutyl-2,3,4,4a,8,8b-hexahydro-5,7-dioxa-2a-aza-6-stanna-cyclopenta[cd]azulene

(3R,4R)-6-Eth-(E)-ylidene-3,4-dimethyl-3-methylsulfanylmethoxy-oxepane-2,7-dione

(3R)-3-acetoxy-1-(2-acetoxyethyl)pyrrolidine-2,5-dione

integerrinecic acid dimethyl ester