(-)-Acromelic acid E 145237-01-0 180467-60-1 2-Pyridinecarboxylic acid, 3-((3S,4S,5S)-5-carboxy-4-(carboxymethyl)-3-pyrrolidinyl)- 2-Pyridinecarboxylic acid, 3-(5-carboxy-4-(carboxymethyl)-3-pyrrolidinyl)-, (3S-(3alpha,4alpha,5beta))- Acromelic acid E