The title compound,4β,6α,9α-trimethy-2-carboxyltricyclo[6.3.0.0(4,5)]undec-2-ene,is a sesquiterpene which was first isolated from Ligularia caloxantha and ch
A novel neonicotinoid analogue(C13H19N5O5,3a)had been synthesized,the structure was characterized by elemental analysis,IR and 1H NMR spectra,and the S-(+)-(E)-