(4alpha,4aalpha,10abeta)-4,4a-Epoxy-1,2,3,4,4a,9,10,10a-octahydrophenanthrene (4alpha,4aalpha,10abeta)-4,4a-Epoxy-1,2,3,4,4a,9,10,10a-octahydrophenenthrene 121958-18-7 2H-Phenanthro(4,4a-b)oxirene, 1,3,3a,4,5,10a-hexahydro-, (3aalpha,9bS*,10abeta)- CCRIS 7423