TABLE 5

ID₅₀ values of TRK-130, morphine, and buprenorphine for gastrointestinal transit in mice

Compound	ID₅₀	95% Confidence Interval
	mg/kg
TRK-130	N.D.	N.D.
Morphine	1.01	0.695–1.39
Buprenorphine	0.326	0.120–4.17

N.D., not determined.