Figure 1From: The chemotaxonomic classification of Rhodiola plants and its correlation with morphological characteristics and genetic taxonomyChemical structures of the eight reference marker compounds. Among them, rosarin, rosavin and rosin belong to phenylpropanoids, tyrosol and salidroside belong to phenylethanol derivatives, (+) catechin and rhodionin belong to flavonoids and gallic acid belongs to phenolic acids.Back to article page