2-Oxepanone, polymer with 2-methyloxirane 2-Oxepanone, polymer with methyloxirane 2-Oxepanone, polymer with propylene oxide Caprolactone-propylene oxide copolymer Caprolactone-propylene oxide polymer Copolymer 2187 Methyloxirane-caprolactone copolymer Oxirane, methyl-, polymer with 2-oxepanone Propylene oxide, polymer with 2-oxepanone ε-Caprolactone-methyloxirane copolymer ε-Caprolactone-propylene oxide copolymer ε-Caprolactone-propylene oxide polymer