5.4.99.18 Biosynthesis of secondary metabolites - 01110 - 5.4.99.18 inosine-5'-phosphate biosynthesis I - - PWY-6123 5.4.99.18 inosine-5'-phosphate biosynthesis III - - PWY-7234 5.4.99.18 Metabolic pathways - 01100 - 5.4.99.18 Purine metabolism - 00230 - 5.4.99.18 purine metabolism purine metabolism - -