The Wikipedia entry on peroxydisulfate is quite short (as of today). But I suspect this article may change things.[1].
References
- M.A. Keller, D. Kampjut, S.A. Harrison, and M. Ralser, "Sulfate radicals enable a non-enzymatic Krebs cycle precursor", Nature Ecology & Evolution, vol. 1, 2017. http://dx.doi.org/10.1038/s41559-017-0083