18222
The inhibitory potency of camptothecin derivatives on recombinant L . infantum topoisomerase IB was assessed in vitro showing that gimatecan is the most active compound preventing the relaxation of supercoiled DNA at submicromolar concentrations .
 Chemical: camptothecin; Chemical: gimatecan
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: camptothecin; Chemical: gimatecan