p. 3178 - 3183
(2007/10/02)7a-ethyl-3a-hydroxy-5-(p-methoxyphenyl)-(2β,3aβ,4β,5β,7aβ)-octahydro-2,4-methano-1H-inden-1-one
7a-ethyl-5-(p-methoxyphenyl)-1-methyl-(2β,3aβ,4β,5β,7aβ)-octahydro-2,4-methano-1H-indene-1,3a-diol
7a-ethyl-3a-hydroxy-5-(p-methoxyphenyl)-2β,3,3aβ,4β,7,7aβ-hexahydro-2,4-methano-1H-inden-1-one
5-ethyl-2-exo-(2-methoxyethyl)-2-endo-(p-methoxyphenyl)bicyclo<3.2.1>octane-6,8-dione