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The article goes by antimony compounds , emetine , hydantoin , nitrofurans , lucanthone , hycanthone , oxamniquine derivatives and organophosphates until it finally gets to praziquantel derivatives .
 Chemical: emetine; Chemical: hydantoin; Chemical: nitrofurans; Chemical: lucanthone; Chemical: hycanthone; Chemical: oxamniquine; Chemical: organophosphates; Chemical: praziquantel
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: emetine; Chemical: hydantoin; Chemical: nitrofurans; Chemical: lucanthone; Chemical: hycanthone; Chemical: oxamniquine; Chemical: organophosphates; Chemical: praziquantel