28900
Three new pimarane - type diterpenoids , 7 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene ( 1 ) , 1 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene ( 2 ) , and 11 alpha - hydroxypimara - 8 ( 14 ) , 15 - diene ( 3 ) , five 2 , 3 - secoaromadendrane - type sesquiterpenoids , including a new one , ethyoxyplagiochiline A2 ( 4 ) , and three known fusicoccane - type diterpenoids were isolated from the Chinese liverwort Plagiochila pulcherrima .
 pimarane, diterpenoids, 7 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene, 1 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene, 11 alpha - hydroxypimara - 8 ( 14 ) , 15 - diene, 2 , 3 - secoaromadendrane, sesquiterpenoids, ethyoxyplagiochiline A2, fusicoccane, diterpenoids
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 pimarane, diterpenoids, 7 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene, 1 beta , 11 alpha - dihydroxypimara - 8 ( 14 ) , 15 - diene, 11 alpha - hydroxypimara - 8 ( 14 ) , 15 - diene, 2 , 3 - secoaromadendrane, sesquiterpenoids, ethyoxyplagiochiline A2, fusicoccane, diterpenoids