Four alkaloids, annocherine A, annocherine B, cherianoine, and romucosine H
, along with one known alkaloid, artabonatine B, were isolated from the MeO
H extract of the stems of Annona cherimola. Their structures were identifie
d on the basis of both analysis of their spectral data and from chemical ev
idence. (C) 2001 Elsevier Science Ltd. Air rights reserved.