62445-06-1 Eremofortin A Spiro(naphth(1,2-b)oxirene-5(6H),2'-oxiran)-6-one, 2-(acetyloxy)-1a,2,3,3a,4,7b-hexahydro-3,3',3',3a-tetramethyl-, (1aR-(1aalpha,2beta,3beta,3abeta,5beta,7balpha))-