Citation:
Zographos SE, Leonidas DD, Alexacou KM, Gimisis T, Hayes JM, Oikonomakos NG, Wen X, Sun H, Liu J, Cheng K, et al. {Pentacyclic triterpenes, inhibitors of glycogen phosphorylase, as potential drugs for type 2 diabetes: X-ray crystallographic studies}. Planta Med. 2008;74:1146–1147.