Glycerylphosphorylcholine is a natural choline compound found in the brain and in milk. It is also a parasympathomimetic acetylcholine precursor which may have a potential for the treatment of Alzheimer's disease and dementia.

Piperazine, 1-(4-fluorophenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]- is a piperazine derivative.

SB290157 trifluoroacetate is a potent and selective antagonist of C3a receptor(IC50 of 200 nM). SB 290157 is a competitive antagonist of 125I-C3a radioligand binding to rat basophilic leukemia-2H3 cells expressing the human C3aR (RBL-C3aR, IC50 of 200 nM).