4596
Nine new steroidal glycosides , named as stauntosides C - K ( 2 , 5 , 7 - 10 , 13 , 14 , and 16 ) , along with seven known compounds ( 1 , 3 , 4 , 6 , 11 , 12 , and 15 ) were isolated from the 95 % ethanol extract of the roots of Cynanchum stauntonii .
 Chemical: steroidal glycosides; Chemical: stauntosides C - K; Chemical: ethanol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: steroidal glycosides; Chemical: stauntosides C - K; Chemical: ethanol