4545
Schisarisanlactones A and B : a new class of nortriterpenoids from the fruits of Schisandra arisanensis .
 Schisarisanlactones A and B, nortriterpenoids
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Schisarisanlactones A and B, nortriterpenoids