 It is the deoxyfructosyl analog of agropine.Cucumopine (4,6-dicarboxy-4,5,6,7-tetrahydro-1"H"-imidazo[4,5-"c"]pyridine-4-propanoic acid) was found in grapevine crown gall tumours and carrot hairy-root cultures.Epileucinopine ("N"-(1-carboxy-3-methylbutyl)glutamic acid or "N"2-(1,3-dicarboxypropyl)leucine) was isolated from the poisonous mushroom "Clitocybe acromelalga".