11868
Of these , the newly synthesized 6 , 8 - diallyl - 5 , 7 - dihydroxycoumarin ( 8a ) was produced in three steps in high chemical yield from floroglucinol and found to be the most potent of this series , exhibiting activity similar to the reference coumestan LQB - 34 .
 Chemical: 6 , 8 - diallyl - 5 , 7 - dihydroxycoumarin; Chemical: floroglucinol; Chemical: coumestan; Chemical: LQB - 34
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: 6 , 8 - diallyl - 5 , 7 - dihydroxycoumarin; Chemical: floroglucinol; Chemical: coumestan; Chemical: LQB - 34