SEARCH Articles Figures Tables 5-Imino-2-pyrazolin-3-carboxylic acids A-Imino acids A-Imino acids enzymes Acids, aliphatic imino Collagen imino acid content Ethylenebis[imino methylenephosphonic acid Imino acid dehydrogenases Imino acid, proline Imino acids cycloaddition reactions Imino acids stereochemistry Imino acids synthesis Imino acids, chiral purity Methyl imino acetic acid Phenylacetic acid imino ether hydrochloride Proline ring-structured imino acids