12076
These two most promising derivatives were found to inhibit blood - stage parasite growth with IC ( 50 ) values of 1 . 7 and 3 . 0 mu M and lead to a more prominent developmental attenuation of liver - stage parasites than the gold - standard drug , primaquine .
 Chemical: primaquine
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: primaquine