3.1.2.28 2-carboxy-1,4-naphthoquinol biosynthesis - - 3.1.2.28 Biosynthesis of secondary metabolites - 01110 3.1.2.28 Metabolic pathways - 01100 3.1.2.28 Ubiquinone and other terpenoid-quinone biosynthesis - 00130 3.1.2.28 vitamin K metabolism vitamin K metabolism -