All are aromatic amino acids except
Aromatic amino acids are Phenylalanine and Tyrosine.Lysine is a Dibasic monocarboxylic amino acid.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 24
Lysine
Phenylalanine
Tyrosine
Tryptophan
Metabolism of protein and amino acid