5215
An in situ nasal perfusion technique in rats was utilized to investigate the effect of NSCS substitution degree , NSCS molecular weight and concentration on the intranasal absorption of ISDN .
 Chemical: ISDN
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: ISDN