2O8H:
reference: Discovery of a series of 6,7-dimethoxy-4-pyrrolidylquinazoline PDE10A inhibitors., Chappie TA, Humphrey JM, Allen MP, Estep KG, Fox CB, Lebel LA, Liras S, Marr ES, Menniti FS, Pandit J, Schmidt CJ, Tu M, Williams RD, Yang FV, J Med Chem. 2007 Jan 25;50(2):182-5. PMID: 17228859

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).