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Palytoxin ( PLTX ) is the reference compound for a group of potent marine biotoxins , for which the molecular target is Na + / K + - ATPase .
 Chemical: Palytoxin; Chemical: PLTX; Chemical: Na +; Chemical: K +
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: Palytoxin; Chemical: PLTX; Chemical: Na +; Chemical: K +