Wikipedia
N-Acetylmescaline
N-Acetylmescaline is a mescaline derivative found in trace quantities in peyote (Lophophora williamsii). It is a metabolite of mescaline in humans, but it has little pharmacological effects of its own. At doses of up to 750 mg, only mild drowsiness was observed.
N-Acetylmescaline has microtubule assembly inhibitory activity.