Looks to be Clayton Ultra Cold Tone
Noting that their MSDSs are identical, and considering the MSDS for Freestyle's version says Clayton right on top, I'd say it's Clayton Ultra Cold Tone in Freestyle labeling.
Originally Posted by Roger Cole
I have no experience with it, but, based on this post by Brian Steinberger
decided to pass on the opportunity. Instead, I tried and am exceedingly pleased with Moersch SE6 developer. It's expensive, but, unless/until Ilford Cooltone developer is brought back, seems to be the best commercially available liquid developer for neutralizing MGWT FB, my current favorite paper. See what I wrote about that here: