20165
A chemical study of the alga Cystoseira usneoides has led to the isolation of six new meroterpenoids , cystodiones A - F ( 1 - 6 ) , together with six known related compounds ( 7 - 12 ) .
 Chemical: meroterpenoids; Chemical: cystodiones A - F
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: meroterpenoids, cystodiones A - F 
Answer:
 Chemical: meroterpenoids; Chemical: cystodiones A - F