DL-2-Aminoadipic acid (542-32-5)
L-Pyroglutamic acid (98-79-3)
DL-Citrulline (627-77-0)
DL-Cystathionine (535-34-2)
L-Kynurenine (2922-83-0)
L-Lysine (56-87-1)
L-Methionine (63-68-3)
DL-Methionine sulfoxide (62697-73-8)
N-Acetyl-L-aspartic acid (997-55-7)
L-Ornithine (70-26-8)
L-Phenylalanine (63-91-2)
D-Pipecolic acid (1723-00-8)
L-Proline (147-85-3)
L-Serine (56-45-1)
L-Threonine (72-19-5)
L-Tryptophan (73-22-3)
L-Tyrosine (60-18-4)
L-Valine (72-18-4)
L-Norvaline (6600-40-4)
5-Hydroxylysine hydrochloride (13204-98-3)
Serotonin (50-67-9)
Argininosuccinic acid lithium salt (2387-71-5 (free acid))
L-Leucine (61-90-5)
L-2-Aminobutyric acid (1492-24-6)
Hydroxyproline (51-35-4)