From the aerial parts of Boronia inconspicua two novel dihydrochalcones, 2',4,4',6'-tetrahydroxy-5-(E-3,7-dimethylocta-2,6-dienyl)-3-(3-methylbut-2-enyl)dihydrochalcone and 2',4,4',6'-tetrahydroxy-3,5-di(3-methylbut-2- enyl)dihydrochalcone have been isolated and identified.