Table 1. Results of Initial Library Screen.

	saturated			unsaturated
substitution pattern	tail length	entry	active at 50 μM	tail length	entry	active at 50 μM
2,3	pentadecyl (C15H31)	8aa	no	pentadecenyl (C15H29)	6aa	no
2,4		8ba	no		6ba	no
2,5		8ca	no		6ca	no
2,6		8da	yes		6da (2)	yes
2,3	tridecyl (C13H27)	8ab	no	tridecenyl (C13H25)	6ab	no
2,4		8bb	no		6bb	no
2,5		8cb	no		6cb	no
2,6		8db	yes		6db	yes
2,3	undecyl (C11H23)	8ac	no	undecenyl (C11H21)	6ac	no
2,4		8bc	no		6bc	no
2,5		8cc	no		6cc	no
2,6		8dc	yes		6dc	yes