ethyl 1H-benzo[g]indole-2-carboxylate

ethyl 2-isocyano-3-phenylprop-2-enoate

2-((2-ethoxy-2-oxoethyl)amino)-2-oxo-1-phenylethyl benzoate

苯甲酸

ethyl 5-(4-fluorobenzyl)oxazole-4-carboxylate