1,4-Dioxane-2,5-dione, 3,6-dimethyl-, cis-(+-)-, polymer with 2-oxepanone 1,4-Dioxane-2,5-dione, 3,6-dimethyl-, polymer with 2-oxepanone 70524-20-8 Lactide-caprolactone coploymer Poly(LA-co-CL) Poly(lactide-epsilon-caprolactone) lactide-caprolactone copolymer