134905-18-3 3-Hhhh copolymer 3-Hydroxyundecanoic acid polymer with 3-hydroxyheptanoic acid, 3-hydroxynonanoic acid and 3-hydroxypentanoic acid Poly(3-hydroxyvalerate)-(3-hydroxyheptanoate)-(3-hydroxynonanoate)-(3-hydroxyundecanoate) copolymer Undecanoic acid, 3-hydroxy-, polymer with 3-hydroxyheptanoic acid, 3-hydroxynonanoic acid and 3-hydroxypentanoic acid