Synonyms: Poly[oxy[2,2-bis(chloromethyl)trimethylene]](8CI); 3,3-Bis(chloromethyl)oxacyclobutane polymer; 3,3-Bis(chloromethyl)oxacyclobutanepolymer, SRU; 3,3-Bis(chloromethyl)oxetane polymer; Pentaplast; Pentaplast A;Pentaplast A2; Pentaplast BP; Penton; Penton 9215; Penton A;Poly[3,3-bis(chloromethyl)oxacyclobutane]; Poly[3,3-bis(chloromethyl)oxetane];Poly[3,3-bis(chloromethyl)oxetane], SRU; Poly[bis(chloromethyl)oxetane]