18.46
[1]. W Francke, et al. Identification and synthesis of new bicyclic acetals from the mountain pine beetle, Dendroctonus ponderosae Hopkins (Col.: Scol.). Bioorg Med Chem. 1996 Mar;4(3):363-74.
P61-P64-P71-P8-P3+P35-P34+P34-P36+P364-P45-P51
GHS7