(+)-(1R,2S,3R,4S)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenzo(c)phenanthrene Benzo(5,6)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,11d-tetrahydro-, (1a-beta,2-alpha,3-beta,11d-beta), (+)- DI9874400