Synonyms: AC1L3LFO;syn,syn-Tetracyclo[4.4.2.0,2,5.07,10]dodeca-8,11-dien-3,4-dione;42301-38-2;Tetracyclo(4.4.2.02,5.07,10)dodeca-8,11-diene-3,4-dione, (1alpha,2beta,5beta,6alpha,7beta,10beta)-;Tetracyclo[4.4.2.02,5.07,10]dodeca-8,11-diene-3,4-dione, (1.alpha.,2.beta.,5.beta.,6.alpha.,7.beta.,10.beta.)-