NEW YORK (Reuters) -CVS Health, UnitedHealth Group and Cigna have asked U.S. Federal Trade Commission chair Lina Khan and commissioners Rebecca Kelly Slaughter and Alvaro Bedoya to disqualify themselves from an FTC lawsuit that has accused the companies of unlawfully inflating insulin prices.

Cigna, UnitedHealth and CVS Caremark are calling Federal Trade Commission (FTC) Chair Lina Khan and two other commissioners to either recuse themselves, or be removed from the agency’s lawsuit

CVS (CVS) and UnitedHealth Group (UNH) on Tuesday demanded that Federal Trade Commission (FTC) Chair Lina Khan and two other commissioners recuse themselves from the agency’s lawsuit against the companies,