Synonyms: 13H-2,5-Epoxy-3,13a-methanoanthra[2,3-b]oxepin-13-one,2,3,4,5,5a,6-hexahydro-11,12-dihydroxy-2-methyl- (8CI);13H-2,5-Epoxy-3,13a-methanoanthra[2,3-b]oxepin-13-one,2,3,4,5,5a,6-hexahydro-11,12-dihydroxy-2-methyl-, [2S-(2a,3b,5a,5ab,13ab)]-; Pillaronone