(±)-Arginine7200-25-1 (±)-Cysteine hydrochloride10318-18-0 (±)-Homocysteic acid504-33-6 (±)-Iopanoic acid96-83-3 (±)-Methionine59-51-8 (±)-Methionine sulfone820-10-0 (±)-Methyldopa55-40-3 (±)-Methyldopa555-29-3 (±)-Norepinephrine138-65-8 (±)-Norepinephrine hydrochloride55-27-6 (±)-Norleucine616-06-8 (±)-Norvaline760-78-1 (±)-O-Tyrosine2370-61-8 (±)-Octopamine hydrochloride770-05-8 (±)-Penicillamine52-66-4 (±)-Phenylalanine methyl ester hydrochloride5619-07-8 (±)-sec-Butylamine33966-50-6 (±)-Sulpiride15676-16-1 (±)-Threonine80-68-2 (±)-Thyroxine300-30-1