2-甲氧基乙基 N-(4-苯基噻唑-2-基)草氨酸酯

氧代(丙基氨基)乙酸

methyl 5-chloro-4-methyl-5-oxopentanoate

2,6-dimethoxyxanthen-9-one

1,2-二(2-羟基苯基)-1,2-乙烷二酮