sulfonates

/S AH0 L F Y AH0 N EY0 T S/
noun
  1. 1

    Any salt or ester of a sulfonic acid.

verb
  1. 1

    To treat or react with a sulfonic acid, or to introduce such a group into a compound.

Source: https://en.wiktionary.org/wiki/sulfonate, https://en.wiktionary.org/wiki/sulfonates