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