Two new Amaryllidaceae alkaloids, 1-O-(3-hydroxybutyryl)pancratistatin
and -(3-O-beta-D-glucopyranosylbutyryl)pancratistatin, were isolated
from the bulbs of Zephyranthes carinata. The structures of the two alk
aloids were established by comprehensive spectral analysis. The cytoto
xicity of these two alkaloids and pancratistatin is appraised. (C) 199
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