ABSTRACT
Azaserine Canavanine -γ-Carboxyglutamic acid Carnosine
Citrulline Creatine -Cysteic acid -Cystine
2,4-Diaminobutanoic acid 3,5-Dibromo--tyrosine 3,5-Diiodo--tyrosine Dopamine
-Ethionine N-Glycylglycine Guanidinoacetic acid Histamine
-Homocysteine Homocystine -Homoserine trans-4-Hydroxy--proline
-3-Iodotyrosine -Kynurenine -Lanthionine Levodopa
-1-Methylhistidine -Norleucine -Norvaline -Ornithine
O-Phosphoserine -Pyroglutamic acid Sarcosine Taurine
-yroxine
