Molecular recognition

Tyrosine

L-Dopa

Dopamine

Norepinephrine

epinephrine

DOPAC (3,4-dihydroxyphenylacetic acid)

HVA (homovanilic acid)

3-MT (3-methoxytyramine)

VMA (vanillylmandelic acid)

MHPG (3-Methoxy-4-hydroxyphenylglycol)

tryptophan

5-hydroxytryptophan (5-HTP)

Serotonin (5-HT, 5-hydroxytryptamine)

5-HIAA (5-hydroxyindoleacetic acid)

choline

Acetyl CoA

Acetylcholine

acetate

choline

Glutamate

GABA (gamma aminobutyric acid)

Glutamine