30560
In a cytotoxicity assay , steroidal glycosides ( 1 ) and ( 3 ) had IC50 values of 8 . 2 and 8 . 7 micro M , but the natural acetylation of the C - 6 '' ' hydroxy of the terminal glucose unit in ( 2 ) resulted in a 3 - fold decrease in cell cytotoxicity when compared with ( 1 ) .
 Chemical: steroidal glycosides; Chemical: hydroxy; Chemical: glucose
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: steroidal glycosides; Chemical: hydroxy; Chemical: glucose