67779-73-1 Plagiochilin A Plagiochiline A Spiro(5H-cyclopropa(3,4)cycloheptal(1,2-c)pyran-5,2'-oxirane)-1-methanol, 4-(acetyloxy)-4,4a,6,7,7a,8,8a,8b-octahydro-8,8-dimethyl-, acetate, (4R-(4alpha,4aalpha,5beta,7abeta,8abeta,8balpha))-