p. 1556 - 1560
(2007/10/03)2-[Hydroxy-(2,4,5-trimethoxy-phenyl)-methyl]-3-[1-(2,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-succinic acid diethyl ester
2-[1-(2,4,5-Trimethoxy-phenyl)-meth-(E)-ylidene]-succinic acid diethyl ester
(E)-3-ethoxycarbonyl-4-(2,4,5-trimethoxyphenyl)but-3-enoic acid
asaraldehyde