irregular macromolecule

https://doi.org/10.1351/goldbook.I03256
A @M03667@ the structure of which essentially comprises the repetition of more than one type of @C01288@ or a macromolecule the structure of which comprises constitutional units not all connected identically with respect to directional sense.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2289 [Terms] [Paper]