N-(2,4-Dinitro-phenyl)-N'-[(4aS,10aS)-7-methoxy-1,1,4a-trimethyl-2,3,4,4a,10,10a-hexahydro-1H-phenanthren-(9Z)-ylidene]-hydrazine

12-hydroxy-13-methoxy-13-deisopropyldehydroabietane

(4aS,10aS)-6-Isopropenyl-7-methoxy-1,1,4a-trimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene

13-methoxy-14-nitro-13-deisopropyldehydroabietane

12-acetoxy-13-methoxy-13-deisopropyldehydroabietane