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In vitro antiamoebic results supported the above findings and validated that the acylhydrazone derivatives ( HZ1 - HZl2 ) show better activity than the oxadiazoline derivatives ( OZ1 - OZ12 ) .
 Chemical: acylhydrazone; Chemical: oxadiazoline
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: acylhydrazone; Chemical: oxadiazoline