7-methoxy-3-piperidin-4-yl-1,3,4,5-tetrahydro-benzo[d][1,3]diazepin-2-one   、                                                                                      
1-[3,5-dibromo-N-[(phenoxy)cyanoiminomethyl]-D-tyrosyl]-4-(1-methyl-4-piperidinyl)piperazine                                                                                                                                                                                                                                                                                                          以23%的产率得到1-[3,5-dibromo-N-[[4-(7-methoxy-2,3,4,5-tetrahydro-2(1H)-oxo-1,3-benzodiazepin-3-yl)-1-piperidinyl]cyanoiminomethyl]-D-tyrosyl]-4-(1-methyl-4-piperidinyl)piperazine