Allosteric antagonist of P2Y1 (EC50 = 0.06-0.3 μM). Non-nucleotide ligand. Binds receptor outside of the helical bundle.

Quercetin-3-O-sophoroside-7-O-glucoside is a natural product that can be isolated from Brasica rapa var. rapa leaves.

L-alpha-Aminobutyric acid also known as (S)-2-aminobutanoic acid homoalanine 2-AABA ethylglycine or L-butyrine is a member of the class of compounds known as L-alpha-amino acids. L-alpha-Aminobutyric acid is a non-proteogenic amino acid that can be found in the human kidney in liver tissues and in most biofluids or excreta (e.g. feces breast milk urine and blood).