Cm. Jen et al., ISOLATION AND STRUCTURE DETERMINATION OF 2 NEW COMPOUNDS FROM ZANTHOXYLUM-INTEGRIFOLIOLUM, Journal of natural products, 56(11), 1993, pp. 2019-2021
Two new compounds, tridecanonchelerythrine [1] and conifegerol [2], we
re isolated from Zanthoxylum integrifoliolum, and their structures wer
e elucidated on the basis of spectroscopic data including 2D nmr.