Secondary metabolites of Hypericum monogynum from Pakistan

4-Chlorobenzoic acid (1), quercitrin (2), astilbin (3), along with β-sitosterol, γ-sitosterol, friedelin and β-amyrin were isolated from the aerial parts of Hypericum monogynum. Whereas compound 1 was isolated for the first time from natural sources, flavanonol 3 was not found before in these species.