Pyranoflavonoid
The pyranoflavonoids are a type of flavonoids possessing a pyran group. Cyclocommunin is another natural pyranoflavonoid. Pyranoanthocyanins

Pyranoisoflavones 
 Alpinumisoflavone
 Di-O-methylalpinumisoflavone
 4'-methyl-alpinumisoflavone
 5,3′,4′-trihydroxy-2″,2″-dimethylpyrano (5″,6″:7,8) isoflavone - has antifungal properties, and is from the plant species ficus tikoua Bur. The enzyme monoprenyl isoflavone epoxidase produces a dihydrofurano pyranoisoflavone derivative from 7-O-methylluteone. Pyranoflavonols
Karanjachromene

References

Flavonoids