ethyl 2-acetyl-5-oxo-3,5-diphenylpentanoate

4-hydroxy-2-oxo-4,6-diphenyl-cyclohexanecarboxylic acid ethyl ester

3-乙氧基-5,5-二甲基-2-环己烯-1-酮

ethyl 9-methylfluorene-9-carboxylate

1-nitro-2-[2-(2-nitrophenyl)ethenyl]benzene