<jats:title>Abstract</jats:title><jats:p><jats:boxed-text content-type="graphic" position="anchor"><jats:graphic xmlns:xlink="http://www.w3.org/1999/xlink" mimetype="image/gif" position="anchor" specific-use="enlarged-web-image" xlink:href="graphic/mcontent.gif"><jats:alt-text>magnified image</jats:alt-text></jats:graphic></jats:boxed-text><jats:p>Two novel quinoline alkaloid <jats:italic>β</jats:italic>‐<jats:sc>D</jats:sc>‐mannopyranosides, named dictamnine‐7‐<jats:italic>β</jats:italic>‐<jats:sc>D</jats:sc>‐mannopyranoside (<jats:bold>1</jats:bold>) and 8‐methoxydictamnine‐7‐<jats:italic>β</jats:italic>‐<jats:sc>D</jats:sc>‐mannopyranoside (<jats:bold>2</jats:bold>), were isolated from the whole plant of <jats:italic>Solidago canadensis.</jats:italic> Their structures were identified on the basis of a spectroscopic analysis.