17132-16-0 508-71-4 9H-4a,1-(Epoxymethano)phenanthrene-9,12-dione, 7-ethenyldodecahydro-1,4b,7-trimethyl-, (1S-(1alpha,4aalpha,4balpha,7alpha,8abeta,10abeta))- CCRIS 6648 Rosenonolactone