tert-butyl 4-(4-amino-3-methoxyphenyl)piperidine-1-carboxylate

2,4-二甲氧基-1-硝基苯

2-甲氧基-4-溴苯胺

1-bromo-5-methoxy-2,4-dinitrobenzene

tert-butyl 4-(3-methoxy-4-nitrophenyl)-3,6-dihydro-2H-pyridine-1-carboxylate