1.4.9.2 Biosynthesis of secondary metabolites - 01110 - 1.4.9.2 Isoquinoline alkaloid biosynthesis - 00950 - 1.4.9.2 Metabolic pathways - 01100 - 1.4.9.2 Phenylalanine metabolism - 00360 - 1.4.9.2 Tyrosine metabolism - 00350 -