29850
A new acetylated chalcone glycoside , trans - 2 ' , 6 ' - dihydroxy - 4 ' - O - ( 4 '' - acetyl - rhamnoside ) - 4 - methoxychalcone ( 1 ) and a new biflavonoid glycosides , 5 , 3 ' , 5 '' , 4 '' ' - tetrahydroxy - 3 '' ' , 5 '' ' dimethoxy - biflavone ( 4 ' --> 8 '' ) - 7 - O - ( ( 2 - rhamnoside ) rhamnoside ) ( 2 ) were isolated from the ethyl acetate soluble fraction of the methanol extract obtained from Trigonosciadium brachytaenium and have been purified by column chromatography and preparative TLC .
 acetylated chalcone glycoside, trans - 2 ' , 6 ' - dihydroxy - 4 ' - O - ( 4 '' - acetyl - rhamnoside ) - 4 - methoxychalcone, biflavonoid glycosides, 5 , 3 ' , 5 '' , 4 '' ' - tetrahydroxy - 3 '' ' , 5 '' ' dimethoxy - biflavone ( 4 ' --> 8 '' ) - 7 - O - ( ( 2 - rhamnoside ) rhamnoside ), ethyl acetate, methanol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 acetylated chalcone glycoside, trans - 2 ' , 6 ' - dihydroxy - 4 ' - O - ( 4 '' - acetyl - rhamnoside ) - 4 - methoxychalcone, biflavonoid glycosides, 5 , 3 ' , 5 '' , 4 '' ' - tetrahydroxy - 3 '' ' , 5 '' ' dimethoxy - biflavone ( 4 ' --> 8 '' ) - 7 - O - ( ( 2 - rhamnoside ) rhamnoside ), ethyl acetate, methanol