4a-hydroxy-5-benzylidene-9-methyl-1,2,3,4,4a,5,6,7,8,9a-decahydroxanthene
8-Hydroxy-2-methyl-13-oxa-tricyclo<7.3.2.03,8>tetradecan-14-on
2-(3,5-Dinitrobenzoyloxy)-8-methyl-13-oxa-tricyclo<7.3.2.02,7>tetradecan-14-on
(+/-)-(1R*,8R*,9S*)-8-methyltricyclo<7.3.1.02,7>tridec-2,7-en-13-one
(+/-)-(1R*,2R*,9S*)-8-methyltricyclo<7.3.1.02,7>tridec-7-en-13-one