General description May contain varying amounts of anhydride Packaging 1 g in glass bottle Application Reactant for preparation of: • Selective glucocorticoid receptor agonists1 • (thienopyridine)carboxamides as checkpoint 1 kinase (CHK1) inhibitors2 • [(pyrrolo[2,3-b]pyridinyl)methylene]hydroxybenzofuranones as ATP-competitive inhibitors of the mammalian target of rapamycin3 • Pyrrolopyridines as inhibitors of insulin-like growth factor-1 receptor tyrosine kinase4Reactant for: • Copper-mediated N-arylation of quinazolinediones5