2-acetyl-3-oxo-adipic acid-1-ethyl ester

2-(bis(4-dimethylaminophenyl)methyl)-3-oxobutyric acid ethyl ester

(2-methyl-2,3-dihydro-benzoxazol-2-yl)-acetic acid ethyl ester

碘

3-氨基巴豆酸乙酯