Binding interaction of quercetin-3-β-galactoside and its synthetic derivatives with SARS-CoV 3 CLpro: Structure activity relationship studies reveal salient pharmacophore features - Chen, L; Li, J; Luo, C; Liu, H; Xu, W; Chen, G; Liew, O W; Zhu, W; Push, C M; Shen, X; Jiang, H (Bioorg Med Chem, 2006)