2-bromo-1,1-diethoxy-3-methylbutane

2-羟基亚氨基-2-(苯基磺酰基)乙腈

ethyl 2-hydroxy-2,3,3-triphenylpropanoate

二苯基乙氧基-乙酸

3-oxo-cyclopentane-1,2,4-tricarboxylic acid triethyl ester