3,4a-Dichloro-10a-(3-chloro-6-hydroxy-2,2,6-trimethylcyclohexylmethyl)-6,8-dihydroxy-2,2,7-trimethyl-3,4,4a,10a-tetrahydro-2H-benzo[g]chromene-5,10-dione

The title microbial antibiotic, C26H33Cl3O6, is an unusual trichlorinated dihydroquinone with cyclized prenyl and geranyl terpene substitution. The crystal structure provides an unambiguous assignment for this compound including its absolute stereochemistry, and shows the favored configuration of the chlorocyclohexane substituent.