7623
Several analogues were also found to be active against both CQ - resistant ( W2 clone ) and CQ - sensitive ( D6 ) strains of Plasmodium falciparum in an in - vitro antimalarial screening .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None