crotadihydrofuranEtymologyFrom Crotalaria and dihydrofuran.nounAny of a group of isoflavonoids, derived from dihydrofuran, isolated from Crotalaria“Thus, the structure of crotadihydrofuran A ( 1 ) was determined as 3R-3, 7, 2′- trihydroxy-2″α-isopropenyl dihydrofuran [6″, 7″: 3′, 4′]-isoflavanone (Fig 1 ).”