(4R,6R)-4-(2-Carboxyethyl)-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine-4,6-dicarboxylic Acid, is an isomer of Mikimopine (M385508), which forms in roots after transformation with agrobacterium and influences alkaloid production. This in turn affects insect toxicity and allelopathic properties.