Communic acid

(+)-Communic acid

8(17),12,14-Labdatriene-19-oic acid

(8aα)-1,4aβ-Dimethyl-5β-(3-methyl-2,4-pentadienyl)-6-methylenedecalin-1β-carboxylic acid

(1S,4aα)-Decahydro-1β-(3-methyl-2,4-pentadienyl)-2-methylene-5,8aβ-dimethylnaphthalene-5β-carboxylic acid

(1S,8aα)-Decahydro-1α,4aβ-dimethyl-6-methylene-5β-(3-methyl-2,4-pentadienyl)naphthalene-1β-carboxylic acid