(Z)-7-[(1R,2R,3R)-3-hydroxy-2-[(E,3S)-3-hydroxy-2,3-ditritiooct-1-enyl]-5-oxo-1,2,3-tritritiocyclopentyl]-5,6-ditritiohept-5-enoic acid 生成 (Z)-7-[(1R,2R,3R)-3,5-dihydroxy-2-[(E,3S)-3-hydroxy-2,3-ditritiooct-1-enyl]-1,2,3-tritritiocyclopentyl]-5,6-ditritiohept-5-enoic acid