1.3.1.71 24-epi-campesterol, fucosterol, and clionasterol biosynthesis (diatoms) - - PWY-8238 1.3.1.71 Biosynthesis of secondary metabolites - 01110 - 1.3.1.71 ergosterol biosynthesis I - - PWY-6075 1.3.1.71 Metabolic pathways - 01100 - 1.3.1.71 phytosterol biosynthesis (plants) - - PWY-2541 1.3.1.71 Steroid biosynthesis - 00100 -