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1-Aminocyclopropane-1-carboxylic acid (ACC) is a disubstituted cyclic α-amino acid in which a three-membered cyclopropane ring is fused to the Cα atom of the amino acid.
A 1662 (OTTO) 1-Aminocyclopropanecarboxylic acid, 98% Cas 22059-21-8 - used as an agonist at the NMDA receptor glycine modulatory site.