rac-(3R,3aR,4aR,8aR,8bR)-3a-(hydroxymethyl)-8b-methyl-6-oxooctahydro-3,4a-epoxycyclopenta[b]benzofuran-8a(1H)-carbonitrile

rac-(3a'R,5a'S,9a'R,9b'R)-9b'-methyl-3'-oxohexahydro-4'H,6'H,9a'H-spiro[[1,3]dioxolane-2,7'-[3a,5a]epoxycyclopenta[c]chromene]-9a'-carbonitrile

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

sporol