General description May contain varying amounts of anhydride. Packaging 1 g in glass bottle 250 mg in glass bottle Application Reactant for preparation of: • Highly substituted acenes via rhodium-catalyzed oxidative coupling with alkynes1 • Anticancer pyrimidines with multiple-kinase inhibitory effect2 • 3,4-ring fused 7-azaindoles and deazapurines as potent JAK2 inhibitors3 • Polycyclic azaindoles as JAK2 inhibitors4 • ROS1 receptor tyrosine kinase inhibitors5 • 2-aminopyrazolopyridines as Polo-like kinase 1 inhibitors6