periodic copolymer

https://doi.org/10.1351/goldbook.P04494
A copolymer consisting of macromolecules comprising more than two species of monomeric units in regular sequence.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2301 [Terms] [Paper]