lignans

Also contains definition of: neolignans

Plant products of low molecular weight formed primarily from oxidative coupling of two p-propylphenol moieties at their β carbon atoms; products with units coupled in other ways are neolignans, e.g.
L03527-1
L03527-2
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1347