Phytochemical investigation of the dried leaves of Verbascum blattaria L. (Scrophulariaceae) led to the isolation and identification of five known compounds, E-harpagoside, laterioside, kaempferol 3-O-β-D-glucopyranoside, bis(2-ethylhexyl)phthalate, and (2S)-liquiritigenin. The structures of these