1a,2,3,11b-Tetrahydrobenz(5,6)anthra(1,2-b)oxirene-2,3-diol (1aalpha,2alpha,3beta,11balpha)-(+-)- 64598-85-2 Benz(5,6)anthra(1,2-b)oxirene-2,3-diol, 1a,2,3,11b-tetrahydro-, (1aalpha,2alpha,3beta,11balpha)-(+-)-