[(6Z,9Z,12Z,15Z,18R)-18-hydroxy-20-methoxy-20-oxo-6,7,9,10,12,13,15,16-octatritioicosa-6,9,12,15-tetraen-3-yl] benzoate                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 30.0h,
                                                                                                                生成                                                 [5,6,8,9,11,12,14,15-3H]-(3R,18R/S,5Z,8Z,11Z,14Z)-3,18-dihydroxyeicosa-5,8,11,14-tetraenoic acid