co-oligomer

https://doi.org/10.1351/goldbook.C01321
An oligomer derived from more than one species of monomer.
Source:
PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2300 (https://doi.org/10.1351/pac199668122287)