Give condensed and bond line structural formulas and identify foe functional group(s) present if any, for:

Give condensed and bond line structural formulas and identify foe functional group(s) present if any, for:
(a) 2,2,4-Trimefoylpentane
(b) 2-Hydroxy-l, 2,3-propanetricarboxylic acid
© Hexanedial.