1-(7-乙氧基-1-苯并呋喃-2-基)乙酮

diethyl naphthalene-1,8-dicarboxylate

1-bromo-4-(4-ethoxyphenyl)benzene

1-乙基-5-硝基吡唑

ethyl 2-(1-methyl-2-oxocyclopentyl)acetate