14,15,16-trinorlabd-8(17)-en-13-yl acetate

(Z)-12-hydroxy-14,15-dinorlabd-11-en-13-one

methyl 14,15,16-trinorlabd-8(17)-en-13-oate

(6aS,11bS)-methyl 4,4,6a,11b-tetramethyl-10-(trimethylsilyloxy)-2,3,4,4a,5,6,6a,11,11a,11b-decahydro-1H-benzo[a]fluorene-7-carboxylate