–[–O–CH(CH₃)–CO–]–ₙ
–(CH₂–CH(COOC₄H₉))ₙ
–(CH₂–C(CH₃)(COOCH₃))–ₙ
–[O–CH(CH₃)–CH₂–O–CO]–ₙ
–[O–(CH₂)₄–O–CO–C₆H₄–CO]–ₙ
–(CH₂–CH₂)–ₘ–(CH₂–CH(COOH))–ₙ
–[CH₂–CH(CONHCH(CH₃)₂)]–ₙ
–(CH₂–CH(CN))ₙ
–(C₆H₄–O–C₆H₄–CO–C₆H₄–CO)–ₙ
–[(CH₂)₅COO]–ₙ
–(CClF–CF₂)–ₙ
–[O–C₆H₄–C(CH₃)₂–C₆H₄–O–CO]–ₙ
–(CH₂–CBrH)–ₙ
–(Si(CH₃)₂–O)–ₙ
–[O–CH₂–CH₂–O–CO–C₄H₂O–CO]–ₙ
–(NH–(CH₂)₆–NH–CO–(CH₂)₄–CO)–ₙ
–(CH₂–CH(C₆H₅))–ₙ
–(C(O)–Ar–N–Ar–CO–NH–)–ₙ
–(CH₂–CH(CH₃)–O)–ₙ
–(CF₂–CHF)–ₙ
–(C₆H₄–O–)–ₙ
–(CH₂–CH₂)–ₙ
–(NH–(CH₂)₆–CO–)–ₙ
–(CH₂–CH(CH₃))–ₙ
