(4'S,5'S)-2'-Methylsulfanyl-2-oxo-1,2,4',5'-tetrahydro-spiro[indole-3,3'-pyrrole]-4',5'-dicarboxylic acid dimethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
溶剂黄146                                                                                                                                  作用下,
                                                                                                                以
                                                                                         xylene                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (4'S,5'S)-2'-Methylsulfanyl-2-oxo-1,2,4',5'-tetrahydro-spiro[indole-3,3'-pyrrole]-4',5'-dicarboxylic acid dimethyl ester