10104
Phytochemical investigation of the whole plants of Clematis tangutica led to the isolation of three new triterpenoid saponins ( 1 - 3 ) , together with four known saponins ( 4 - 7 ) .
 triterpenoid saponins, saponins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 triterpenoid saponins, saponins