The drug company Eli Lilly is suing four telehealth companies for allegedly selling copies made by compounding pharmacies of its drug Zepbound.

Eli Lilly said on Wednesday it had sued four compounders for selling unapproved products containing tirzepatide, after a U.S. judge last month blocked pharmacies from making copies of its weight-loss and diabetes medicines.

Eli Lilly (NYSE:LLY) has filed lawsuits against four telehealth platforms that the pharma giant alleges are selling compounded versions of its blockbuster GLP-1/GIP receptor agonist tirzepatide that are not FDA-approved,