4.6.1.12 Biosynthesis of secondary metabolites - 01110 - 4.6.1.12 isoprenoid biosynthesis isoprenoid biosynthesis - - 4.6.1.12 Metabolic pathways - 01100 - 4.6.1.12 methylerythritol phosphate pathway I - - NONMEVIPP-PWY 4.6.1.12 methylerythritol phosphate pathway II - - PWY-7560 4.6.1.12 Terpenoid backbone biosynthesis - 00900 -