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Inorganic anions such as cyanate , cyanide , hydrogen sulfide , hydrogen sulfite , and trithiocarbonate were effective VchCA inhibitors with inhibition constants in the range of 33 - 88 mu M .
 Chemical: cyanate; Chemical: cyanide; Chemical: hydrogen sulfide; Chemical: hydrogen sulfite; Chemical: trithiocarbonate
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: cyanate; Chemical: cyanide; Chemical: hydrogen sulfide; Chemical: hydrogen sulfite; Chemical: trithiocarbonate