1,3-dihydro-3-(4-piperidinyl)-imidazo[4,5-c]quinolin-2(2H)-one 、
1-[4-amino-3,5-dibromo-N-[(phenoxy)cyanoiminomethyl]-D-phenylalanyl]-4-(1-methyl-4-piperidinyl)piperazine 以13%的产率得到1-[4-amino-3,5-dibromo-N-[[4-[1,3-dihydro-2(2H)-oxo-imidazo[4,5-c]quinolin-3-yl]-1-piperidinyl]cyanoiminomethyl]-D-phenylalanyl]-4-(1-methyl-4-piperidinyl)piperazine