The chemical constituents of the root of Zanthoxylum stenophyllum Hemls., Rutaceae, were examined. One new alkaloide designated as bistenofine, m. p. 137—139℃, three known alkaloids, decarine, arnottianamide liriodenine, one phytosterol, β-sitosterol, were isolated. They were identified by IR, UV, MS, element analysis, ~1H-NMR-'tickling met...
