N,N'-dipropyl-acetamidine

1-(3-hydroxy-1-propylpyrrol-2-yl)ethanone

N-propylanthracene-1-carboxamide

2-(benzenesulfonamido)-5-oxo-5-(propylamino)pentanoic acid

2-[(4-methylphenyl)sulfonylamino]-5-oxo-5-(propylamino)pentanoic acid