Isonipecotic acid



Isonipecotic acid is a heterocyclic compound with a molecular weight of 129.157.

It consists of a piperidine ring with a carboxylic acid moiety in the iso position (and as such is also known as "4-piperidinecarboxylic acid").

Several other compounds are derivatives of it, including:
 * diphenoxylate
 * meperidine
 * phenoperidine