SEARCH Articles Figures Tables 7-Amino-4-methylcoumarin-3-acetic acid 7-Amino-4-methylcoumarin-3-acetic acid AMCA) Amino acetals Amino acids 2 : 4-dichloro phenoxy acetates Benzoyl amino acetic acid Chiral a-amino acetals Lewis acid-mediated reaction Glycine, Amino Acetic Acid Succinimidyl-7-amino-4-methylcoumarin-3-acetic acid,