sporol

(R)-8-((R)-1-Methyl-2-methylene-3-oxo-cyclopentyl)-7-oxo-1,4-dioxa-spiro[4.5]decane-8-carbonitrile

7-[5-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-cyclopent-1-enylmethoxy]-1,4-dioxa-spiro[4.5]dec-7-ene-8-carbonitrile