https://www.ncbi.nlm.nih.gov/m/pubmed/30267715/
“Our data show that modulation of cholinergic and GABAergic systems can potentially be beneficial in the treatment of the positive and cognitive symptoms of schizophrenia without inducing the adverse effects typical for presently used antipsychotics.”
The VU drugs are from Vanderbilt University. The other seems to be a research chemical.