Organic heterocyclic compounds that consist of two pyrroles fused together sharing the nitrogen atom; pyroles are five-membered rings with four carbon atoms and one nitrogen atom.
Fisher Chemical (3)
334.332 (3)
99.0% min. (RP CH3CN:H20 0 to 100%), 98.0% min. (RP MEOH:H20 90:10) (3)