Synonyms: 2H,11H-1-Benzopyrano(6,7-b)(1,4)benzodioxepin-7-carboxaldehyde, 9-chloro-3,4-dihydro-8,13-dihydroxy-2,2,5,10-tetramethyl-4,11-dioxo-;9-Chloro-3,4-dihydro-8,13-dihydroxy-2,2,5,10-tetramethyl-4,11-dioxo-2H,11H-1-benzopyrano(6,7-b)(1,4)benzodioxepin-7-carboxaldehyde