Novel skeleton compound Allomyrinanoid A and two purine alkaloids from the adult of Allomyrina dichotoma L.

Three novel antibacterial compounds including one methylnorbornane-carboxylate and two purine alkaloids derivatives, named Allomyrinanoid A (1), adenine-9-methylaldehyde oxime B (2) and 6-N-methyleneamine-adenine-9-methylaldehyde oxime B (3), as well as another two known compounds Δ12-tricosednoic acid (4) and Uracil (5) were firstly identified from Allomyrina dichotoma L.78