23755
Righting recovery from the knockdown state was clearly compromised in the isoamyl nitrite - treated animals , the effect being attributable to the toxicity of the isoamyl alchol produced during hydrolysis of the isoamyl nitrite to release nitrite anion .
 Chemical: isoamyl nitrite; Chemical: isoamyl alchol; Chemical: isoamyl nitrite; Chemical: nitrite
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: isoamyl nitrite; Chemical: isoamyl alchol; Chemical: isoamyl nitrite; Chemical: nitrite