1 J64 N-[(5-chlorothiophen-2-yl)methyl]acetamide 1.000 2 J5A N-[(4-bromothiophen-2-yl)methyl]acetamide 0.833 3 L9U 2-bromo-N-[(thiophen-2-yl)methyl]acetamide 0.833 4 W6R N-[(thiophen-2-yl)methyl]butanamide 0.769 5 VJY N-[(5-acetylthiophen-2-yl)methyl]acetamide 0.714