1438-55-7 (1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester 1438-57-9 (2R,5S)-4,4aα,5,5,6,7,8,8a-Octahydro-2,5,5,5,8aβ-pentamethylspiro[furan-2(3H),1(4H)-naphthalene]-5-acetic acid 152369-68-1 2,5-Cyclohexadiene-1,4-dione,5-[(6E,10E)-3-hydroxy-3,7,11,15-tetramethyl-6,10,14-hexadecatrienyl]-2,3-dimethyl-