55785-58-5 Naphth(1,2-b)oxiren-2(1aH)-one, 4,5,6,7,7a,7b-hexahydro-6-hydroxy-1a-(1-(hydroxymethyl)ethenyl)-7,7a-dimethyl-, (1aR-(1aalpha,6beta,7alpha,7aalpha,7balpha))- Phomenone