3407
In addition , the effect of a new polymeric excipient Soluplus (R) ( polyvinyl caprolactam - polyvinyl acetate - polyethylene glycol graft copolymer ) on oral bioavailability of piroxicam was investigated .
 Chemical: Soluplus; Chemical: polyvinyl caprolactam - polyvinyl acetate - polyethylene glycol graft copolymer; Chemical: piroxicam
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: Soluplus; Chemical: polyvinyl caprolactam - polyvinyl acetate - polyethylene glycol graft copolymer; Chemical: piroxicam