Propane-1,2,3-tricarboxylic acid
Propane-1 , 2 , 3-tricarboxylic acid , also known as tricarballylic acid , carballylic acid , and β-carboxyglutaric acid , is a tricarboxylic acid . 
<triplet> Propane-1,2,3-tricarboxylic acid <subj> tricarboxylic acid <obj> subclass of