3-hydroxy-1-[6-(3-hydroxy-2-methyl-4-oxopyridin-1-yl)hexyl]-2-methylpyridin-4-one

4-[6-(3-carboxyprop-2-enoylamino)hexylamino]-4-oxobut-2-enoic acid

1,6-Difluorohexane

氯仿

2,2-dichloro-N-[6-[(2,2-dichloroacetyl)amino]hexyl]acetamide