3494
After pretreatment with 3 mg of cyproheptadine , 2 mg mianserin , or 2 mg chlorpheniramine , only 5 of 105 animals ( 5 % ) died after receiving BSA on day + 7 ( p less than 0 . 001 ) .
 Chemical: cyproheptadine; Chemical: mianserin; Chemical: chlorpheniramine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: cyproheptadine; Chemical: mianserin; Chemical: chlorpheniramine