5824
Semisynthetic 8 , 8 - dialkyldihydroberberines ( 8 , 8 - DDBs ) were found to possess mid - to low - nanomolar potency against Plasmodium falciparum blood - stage parasites , Leishmania donovani intracellular amastigotes , and Trypanosoma brucei brucei bloodstream forms .
 Chemical: 8 , 8 - dialkyldihydroberberines; Chemical: 8 , 8 - DDBs
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: 8 , 8 - dialkyldihydroberberines; Chemical: 8 , 8 - DDBs