Antibiotic and mycotoxin from Aspergillus niveus and Penicillium citrinum.

Synonyms: 3H-2-Benzopyran-7-carboxylic acid, 4,6-dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-, (3R-trans)-, Citrinin, 3S697X6SNZ