| Poly(oxy-1,4-butanediyl),.alpha.-(2-methyl-1-oxo-2-propenyl)-.omega.-[(2-methyl-1-oxo-2-propenyl)oxy]- |
| 4-butanediyl), .alpha.-(2-methyl-1-oxo-2-propenyl)-.omega.-[(2-methyl-1-oxo-2-propenyl)oxy]-Poly(oxy-1 |
| Polytetramethylene glycol dimethacrylate |
| alpha-(2-methyl-1-oxo-2-propenyl)- omega -[(2-methyl-poly(oxy-4-butanediyl) |
| polybutanediol 2000 dimethacrylate |