ethyl 2-(4-((2-chloro-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)amino)phenyl)acetate 、
N-甲基哌嗪 以to afford the title compound (0.017 g, 15%) as an orange oil的产率得到ethyl 2-(4-((2-(4-methylpiperazin-1-yl)-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)amino)phenyl)acetate