Preferred Label : constitutional unit;
IUPAC definition : An atom or group of atoms (with pendant atoms or groups, if any) comprising a part
of the essential structure of a macromolecule, an oligomer molecule, a block or a
chain.;
Origin ID : C01288;
See also
An atom or group of atoms (with pendant atoms or groups, if any) comprising a part
of the essential structure of a macromolecule, an oligomer molecule, a block or a
chain.