11552
Five new dibenzocyclooctadiene lignans , schisphenlignans A - E ( 1 - 5 ) , together with eight known ones , were isolated from the stems of Schisandra sphenanthera .
 Chemical: dibenzocyclooctadiene lignans; Chemical: schisphenlignans A - E
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: dibenzocyclooctadiene lignans; Chemical: schisphenlignans A - E