[1α(Z),2β,3α,5α]-(+/-)-7-[3-Acetoxy-2-[N-methyl-N-(phenylmethyl)amino]-5-(phenylmethoxy)cyclopentyl]-5-heptenoic acid, methyl ester   、                                                                                      
氯甲酸-2,2,2-三氯乙酯                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
[1α(Z),2β,3α,5α]-(+-)-7-[3-Acetoxy-2-[N-methyl-N-(2,2,2-trichloroethoxycarbonyl)amino]-5-(phenylmethoxy)cyclopentyl]-5-heptenoic acid, methyl ester