(4abeta,9beta,10beta)-9,10-Epoxy-trans-1,2,3,4,4a,9,10,10a-octahydrophenanthrene 28352-34-3 CCRIS 7427 Phenanthrene, 9,10-epoxy-1,2,3,4,4a,9,10,10a-octahydro-, syn-trans- syn-trans-9,10-Epoxy-1,2,3,4,4a,9,10,10a-octahydrophenanthrene