(1R,2R,4aR,8aS)-1-(2-((tert-butyldimethylsilyl)oxy)ethyl)-5-(((tert-butyldimethylsilyl)oxy)methyl)-2,5,8a-trimethyldecahydronaphthalen-2-ol

13β,14β-dihydroxyabiet-7-en-18-oic acid

tert-butyl(((1R,2R,4aR,8aS)-1-(2-((tert-butyldimethylsilyl)oxy)ethyl)-5,8a-dimethyloctahydro-1H-spiro[naphthalene-2,2'-oxiran]-5-yl)methoxy)dimethylsilane

(1R,4aR,5R,8aR)-methyl-6-formyl-1,4a-dimethyl-5-(4-methyl-3-oxopentyl)-1,2,3,4,4a,5,8,8a-octahydronaphthalene-1-carboxylate

methyl 13β,14β-dihydroxyabieta-7-en-18-oate