18015
A new lanostane triterpenoid , 2 - hydroxy - 24 - methylenelanostan - 1 , 8 - dien - 3 - one named klainedoxalanostenone ( 1 ) with one new steroid , 6 - O - acyl - beta - d - glucosyl - beta - sitosterol named klainedoxasterol ( 2 ) together with ten known compounds including six triterpenoids ( 3 - 8 ) , two steroids ( 9 , 10 ) and two tanins ( 11 , 12 ) were isolated from the stem bark of Klainedoxa gabonensis .
 lanostane triterpenoid, 2 - hydroxy - 24 - methylenelanostan - 1 , 8 - dien - 3 - one, klainedoxalanostenone, steroid, 6 - O - acyl - beta - d - glucosyl - beta - sitosterol, klainedoxasterol, triterpenoids, steroids, tanins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 lanostane triterpenoid, 2 - hydroxy - 24 - methylenelanostan - 1 , 8 - dien - 3 - one, klainedoxalanostenone, steroid, 6 - O - acyl - beta - d - glucosyl - beta - sitosterol, klainedoxasterol, triterpenoids, steroids, tanins