1a,2,3,11c-Tetrahydrobenzo(6,7)phenanthro(3,4-b)oxirene-2,3-diol (1aR-(1aalpha,2alpha,3beta,11calpha))- 80433-78-9 Benzo(6,7)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,11c-tetrahydro-, (1aR-(1aalpha,2alpha,3beta,11calpha))-