Wood extractives for bioenergy with high additional value is looked upon as a strategy task. In this paper, the chemical components in the benzene/ethanol extractives of Eucalyptus urophylla wood were isolated and identified by Py-GC/MS so as to increase economic benefits. In this paper, the chemical components in the acetic ether extractives of Eucalyptus urophylla wood were isolated and identified by Py-GC/MS. The relative content of each component was determined by peak area normalization. 91 compounds in the extractives were identified. The mainly abundant constituents were ergosta-4, 6, 2...
