<jats:title>Abstract</jats:title><jats:p>Cinnamic acid, 4‐hydroxy‐cinnamic acid, ferulic acid, methyl ferulate, sinapic acid, methyl 3‐(4‐hydroxy‐3‐methoxyphenyl)propanoate, 4‐(1‐hydroxyethyl)‐2‐methoxyphenol, vanillyl alcohol, 4‐(hydroxymethyl)‐2‐methoxyphenol, 4‐hydroxy‐3‐methoxybenzoic acid, 4‐vinylphenol, 4‐methylbenzaldehyde, <jats:italic>N</jats:italic>‐[2‐(1H‐indol‐3‐yl)ethyl]acetamide, pinoresinol, syringaresinol, lariciresinol, 5,5′‐dimethoxy‐lariciresinol, threo‐guaiacylglycerol‐<jats:italic>β</jats:italic>‐<jats:italic>O</jats:italic>‐4‐syringaresinol ether and two new sesquilignans, namely, <jats:italic>threo</jats:italic>‐guaiacylglycerol‐<jats:italic>α</jats:italic>‐<jats:italic>O</jats:italic>‐methyl‐<jats:italic>β</jats:italic>‐<jats:italic>O</jats:italic>‐4‐syringaresinol ether and <jats:italic>threo</jats:italic>‐syringylglycerol‐<jats:italic>α</jats:italic>‐<jats:italic>O</jats:italic>‐methyl‐<jats:italic>β</jats:italic>‐<jats:italic>O</jats:italic>‐4‐syringaresinol ether, were isolated and identified as components of <jats:italic>Chenopodium album</jats:italic>. Constitutions were established on the basis of spectroscopic data, including two‐dimensional NMR analyses. Copyright © 2006 John Wiley & Sons, Ltd.