[1(Z),2E,8[2S,3S(1S,2S)]]- 5,9-Anhydro-2,3,4,8-tetradeoxy-8-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-L-talo-Non-2-enonic Acid 9-Methoxy-9-oxo-5-nonenyl Ester