–(CH₂–CHOAc)–ₙ
–(CH₂–CClH)–ₙ
–(CH₂–CHI)–ₙ
–(CH₂–CHCOOH)–ₙ
–[CH₂–CH(OH)]–ₘ–[CH₂–CH(O–(CH₂)₃CH₃)]–ₙ
–[–R–NH–CO–O–R′–O–CO–NH–]–ₙ
–(C₆H₄–S–)–ₙ
–(CH₂–CHOH)–ₙ
–[O–(CH₂)₂–O–CO–C₆H₄–CO]–ₙ
–(C₅H₈)–ₙ
–(CH₂–CHPO₃H₂)–ₙ
–(CH₂–C(CH₃)(COO–CH₂CH₃))–ₙ
–(CH₂–C(CH₃)(COO–C₄H₉))–ₙ
–(CH₂–CH(COOH))–ₙ
–(CH₂–CHSO₃H)–ₙ
–(CH₂–CHNO₂)–ₙ
–(CH₂–CH₂–O)–ₙ
–[C₆H₄–C=N–C₆H₃–NH]–ₙ
–[C₆H₄–NH]–ₙ
–(C₄H₃N)–ₙ
–(C₆H₄–SO₂–C₆H₄–O)–ₙ
–(C₆H₄–O–C₆H₄–O–C₆H₄–CO)–ₙ-
–[–R–NH–CO–O–R′–]–ₙ
–(–CO–C₆H₄–CO–NH–C₆H₂–NH–)–ₙ
