25615
This extract afforded six new isoflavonoids , sedonans A - F ( 1 - 6 ) , a new but - 2 - enolide , 4 ' - O - methylpuerol A ( 7 ) , and the new pterocarpan ent - sandwicensin ( 8 ) .
 Chemical: isoflavonoids; Chemical: sedonans A - F; Chemical: but - 2 - enolide; Chemical: 4 ' - O - methylpuerol A; Chemical: ent - sandwicensin
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: isoflavonoids; Chemical: sedonans A - F; Chemical: but - 2 - enolide; Chemical: 4 ' - O - methylpuerol A; Chemical: ent - sandwicensin