An investigation of the methanol and ethyl acetate extracts from the roots of Peritassa campestris (Hippocrateaceac) afforded the sesquiterpene pyridine alkaloid, 4-hydroxy-7-epi-chuchuhuanine E-V, and nine known alkaloids, forrestine, euonimine, ebenifoline E-I, wilforine, euojaponine F, euonine, wilforjine, neowilforine, and wilforzine. The structures of the isolates were elucidated on the basis of spectral data. particularly HMQC and HMBC experiments. (C) 2001 Published by Elsevier Science Ltd.