| 2-Propenoic acid, polymer with 1-ethenyl-2-pyrrolidinone |
| 1-ethenyl-2-pyrrolidinon polymer with 2-propenoic acid |
| acrylic acid, polymer with 1-vinyl-2-pyrrolidinone |
| acrylic acid, polymer with n-vinylpyrrolidone |
| acrylic acid-n-vinylpyrrolidone copolymer |
| acrylione |
| na 5 |
| vinylpyrrolidone-acrylic acid copolymer |
| poly(1-vinylpyrrolidone-co-acrylic acid) |
| 2-Propenoic acid,polymer with 1-ethenyl-2-pyrrolidinone |
