All of the following are tyrosine derivatives, EXCEPT
Melanin, Catecholamines (Dopamine, Norepinephrine, Epinephrine), Thyroxine are the derivatives are tyrosine. Serotonin is a tryptophan derivative.
Serotonin
Melanin
Epinephrine
Thyroxine
Phenylalanine and Tyrosine metabolism Detail