Synthetic approaches to the pyrrolo [3,4-d] imidazole nucleus.
D002855:Chromatography, Thin Layer; D007093:Imidazoles / Q000138:chemical synthesis*; D007259:Infrared Rays; D008722:Methods; D011758:Pyrroles / Q000138:chemical synthesis; D013053:Spectrophotometry; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
D007093:Imidazoles; D011758:Pyrroles