d-11,12-dimethoxyabieta-8,11,13-triene

11-(p-Nitrophenylazo)-12-methoxyabieta-8,11,13-triene

11-Hydroxy-12-methoxyabieta-8,11,13-trien-18-saeuremethylester

3-isopropylidene-11,21-dimethoxyabieta-8,11,13-triene

Methyl-12-methoxy-11-nitro-abietat

(1R,4aS,10aR)-6-Hydroxy-7-isopropyl-1,4a-dimethyl-5-nitro-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid methyl ester

Methyl-11-amino-12-methoxy-dehydroabietat