The leaves of Piper murrayanum have yielded the (E) and (Z) isomers of
droxy-3-(3,7-dimethyl-1-oxo)-2,6-octadienylbenzoic acid, together wit
h the known )-4-hydroxy-3-(3,7-dimethyl)-2,6-octadienylbenzoic acid an
d the chalcone, methoxy)phenyl-3-(4-hydroxy)phenyl-2-propen-1-one. Cop
yright (C) 1996 Elsevier Science Ltd.