2-Pyridinecarboxylic acid, 5-((3S,4S,5S)-5-carboxy-4-(carboxymethyl)-3-pyrrolidinyl)-1,6-dihydro-6-oxo- 2-Pyridinecarboxylic acid, 5-(5-carboxy-4-(carboxymethyl)-3-pyrrolidinyl)-1,6-dihydro-6-oxo-, (3S-(3alpha,4alpha,5beta))- 86630-09-3 Acromelic acid A