Phytochemical investigation of air-dried powdered roots of Artemisia monosperma growing in Egypt afforded two new compounds; 6-hydroxy-7,8-dimethoxycoumarin (I) and 5-acetyl-2-[1'-(hydroxymethyl)ethyl]-2,3-dihydrobenzo[b]furan (IV), in addition to the known compounds; 6-hydroxy-5,7-dimethoxycoumarin