Keywords: 5'-phosphoribosyl-4-carboxy-5-aminoimidazole.svg validSVG Skeletal formula of 5'-phosphoribosyl-4-carboxy-5-aminoimidazole Adapted from Image Aminoimidazole carboxamide ribonucleotide svg using http //www inkscape org Inkscape and http //www vim org vim Own Fvasconcellos 2008-06-14 Ribonucleotides Imidazoles Aromatic acids Intermediates |