p. 1375 - 1384
(2007/10/02)6,6'-dimethyl fulvene
(1S*,5S*,6S*,9R*,10R*)-10-Carbomethoxy-4,4-dimethyl-3-oxatricyclo<4.3.1.05,9>dec-2-one
(1S*,5R*,6S*,9R*,10S*)-10-Carbomethoxy-4,4-dimethyltricyclo<4.3.1.05,9>decan-2-one
(1S*,5S*,6S*,9R*,10R*)-10-Carbomethoxy-4,4-dimethyl-3-oxatricyclo<4.3.1.05,9>dec-7-en-2-one
(1S*,5R*,6S*,9R*,10S*)-10-Carbomethoxy-4-methyltricyclo<4.3.1.05,9>dec-3-en-2-one