Synonyms: (1aR,2S,3R,11bS)-1a,2,3,11b-Tetrahydrotetrapheno[10,11-b]oxirene-2,3-diol;Benz(7,8)anthra(1,2-b)oxirene-2,3-diol, 1a,2,3,11b-tetrahydro-, (1aalpha,2beta,3alpha,11balpha)-;benz[7,8]anthra[1,2-b]oxirene-2,3-diol, 1a,2,3,11b-tetrahydro-, (1aR,2S,3R,11bS)-