(3R)-5-[(1S,4aS,8aS)-5,5,8a-trimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]-3-methylpent-1-en-3-ol (3R)-5-[(1S,4aS,8aS)-5,5,8a-trimethyl-2-methylene-decalin-1-yl]-3-methyl-pent-1-en-3-ol (3R)-5-[(1S,4aS,8aS)-5,5,8a-trimethyl-2-methylene-1-decalinyl]-3-methylpent-1-en-3-ol (3R)-5-[(1S,4aS,8aS)-5,5,8a-trimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]-3-methyl-pent-1-en-3-ol