[2-bis(2-chloroethyl)amino]ethoxy-2,3-dihydro-2,3-dihydroxy-1H-cyclopent[a]anthracene,6,11-dione   、                                                                                      
甲基磺酰氯                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
2,3-Dihydro-2,3-cis-di-mesyloxy-1H-cyclopent[a]anthracene-6,11-dione   、                                                                                             
3-Azido-4-[2-N,N-bis(2-chloroethyl1)amino]ethoxy-2,3-dihydro-2-mesyloxy-1H-cyclo pent[a]anthracene-6,11-dione