4-(2-苄氧基乙氧基)-1-硝基苯

2-fluoro-4-nitro-1-(2-phenylmethoxyethoxy)benzene

ethyl 1,2-dibenzyl-3-oxopiperidine-4-carboxylate

benzyl 2-isocyanopropanoate

1-benzyl-2-ethenylpyrrolidine