16158
Four novel diterpenoids , including three tetracyclic diterpenes with isomerized isospongian skeletons , kravanhins A - C ( 1 - 3 ) , and kravanhin D ( 4 ) , and three new labdane diterpenes ( 5 - 7 ) were isolated from the fruits of Amomum kravanh .
 Chemical: diterpenoids; Chemical: tetracyclic diterpenes; Chemical: isospongian; Chemical: kravanhins A - C; Chemical: kravanhin D; Chemical: labdane diterpenes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: diterpenoids; Chemical: tetracyclic diterpenes; Chemical: isospongian; Chemical: kravanhins A - C; Chemical: kravanhin D; Chemical: labdane diterpenes