Table 2.

Relative efficacies (R_max = I_max drug / I_max 5-HT)

	5-FT	mCPBG	Tryptamine
A	0.64 ± 0.03	0.74 ± 0.07	0.15 ± 0.06
AB	0.45 ± 0.04	0.92 ± 0.09	0.14 ± 0.02

Data = mean ± SEM, n = 5–9.