(4Z,9E,15Z)-5sp,10ap,14sp-3,17-Diethyl-2,7,8,12,13,18-hexamethyl-10-(2-imidazolyl)-1,19,21,24-tetrahydro-23H-bilin-1,19-dion                                                                                                                                                                                              以
                                                                                         
二甲基亚砜                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(4Z,9Z,15Z)-5sp,10sp,14sp-3,17-Diethyl-2,7,8,12,13,18-hexamethyl-10-(2-imidazolyl)-1,19,21,24-tetrahydro-23H-bilin-1,19-dion