Wiktionary
rotenoid
n. (context biochemistry English) Any of a class of polycyclic compounds related to rotenone
Wikipedia
Rotenoid
Rotenoids are naturally occurring substances containing a cis-fused tetrahydrochromeno[3,4-b]chromene nucleus. Many have insecticidal activity, such as the prototypical member of the family, rotenone. Rotenoids are related to the isoflavones.