Spermidine trihydrochloride(亚精胺三盐酸盐), a natural polyamine produced from putrescine and decarboxylated S-adenosylmethionine (dcSAM) by spermidine synthase, is a novel autophagy inducer and negatively modulates N-methyl-d-aspartate (NMDA).

Piribedil(吡贝地尔) is a relatively selective dopamine (D2/D3) agonist with moderate antidepressant activity. It also has α2-adrenergic (α2A/α2C) antagonist properties.

Pirenzepine dihydrochloride(盐酸哌仑西平) is an antimuscarinic agent which inhibits gastric acid secretion at lower doses than are required to affect gastrointestinal motility, salivary, central nervous system, cardiovascular, ocular and urinary functions.

Afloqualone(氟喹酮) is a quinazolinone family GABAergic drug with muscle-relaxant and sedative effects, showing the agonist activity at the β subtype of the GABAa receptor.

Flupentixol dihydrochloride(盐酸氟哌噻吨), an antipsychotic neuroleptic drug, is a powerful antagonist of both D1 and D2 dopamine receptors and also an alpha-adrenergic receptor antagonist.

Methacholine chloride(乙酰-β-甲基氯化胆碱) is a synthetic choline ester that acts as a non-selective muscarinic receptor agonist in the parasympathetic nervous system but has little effects on the nicotinic receptors.

Benactyzine hydrochloride(盐酸贝那替嗪) is a centrally acting muscarinic antagonist. It is used as an antidepressant in the treatment of depression and associated anxiety.  

Sarpogrelate hydrochloride(盐酸沙格雷酯) is a selective 5-HT2A antagonist with pKi values of 8.52, 7.43 and 6.57 for 5-HT2A, 5-HT2C and 5-HT2B receptors respectively.