Question: Q1: What are the main two common uses for Pentetic Acid and Ethylenediaminetetraacetic acid?
Sentence (from "Pentetic acid"): Pentetic acid or diethylenetriaminepentaacetic acid (DTPA) is an aminopolycarboxylic acid consisting of a diethylenetriamine backbone with five carboxymethyl groups.
Relevant evidence: No