8-Acetoxy-13,14,15,16-tetranorlabdane-12-oic acid

(4aα)-2α-Acetoxy-2,5,5,8aβ-tetramethyldecalin-1β-acetic acid

(1R,4aα)-Decahydro-2α-(acetyloxy)-2,5,5,8aβ-tetramethyl-1β-naphthaleneacetic acid

2-[[(1R,4aα)-Decahydro-2α-acetoxy-2,5,5,8aβ-tetramethylnaphthalen]-1β-yl]acetic acid