methyl 15-hydroxydehydroabietate

8-Isopropyl-3a,10b-dimethyl-1,3,3a,10b-tetrahydro-2H-5-oxa-acephenanthrylene-4,6-dione

10β-methyl-13-deisopropyldehydroabietinol

12-hydroxymethyl-abieta-8,11,13-trien-18-oic acid methyl ester

13-isopropyl-12-methoxy-19-norpodocarpa-4(18),8,11,13-tetraene