Table 1

P values and IC₅₀ values of n-TAA compounds

Compound	MW of Organic Cations	P (octanol/water)	Log(P)	IC₅₀
				μM
TMA	74	0.0002^1-a	−3.699	>10,000
TEA	130	0.0027^1-b	−2.568	260 ± 61
TPrA	186	0.0457^1-b	−1.340	90 ± 28
TBuMA	200	0.0744^1-a	−1.128	66 ± 24
TBA	242	0.7726^1-b	−0.112	52 ± 19
TPeA	298	13.0605^1-b	1.116	8.6 ± 2.2
THA	354	220.788^1-b	2.344	3.0 ± 1.6

IC₅₀ values were obtained by fitting data from two to four separate experiments (e.g., Fig. 3) as described inExperimental Procedures and are presented as means ± S.D.
↵1-a P values measured by Neef and Meijer (1984).
↵1-b P values derived from Neef and Meijer (1984).