20010
Most of the dithiazine analogues were found to be inactive on the pancreatic tissue , although some compounds bearing a 1 - phenylethylamino side chain at the 3 - position exerted a marked myorelaxant activity .
 Chemical: dithiazine; Chemical: 1 - phenylethylamino
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: dithiazine; Chemical: 1 - phenylethylamino