(October 18, 2023, 3:27 PM EDT) -- TRENTON, N.J. — A pharmaceutical supplier sued a pharmaceutical manufacturer in New Jersey federal court, alleging that the manufacturer breached a contract for the purchase of large quantities of hydroxychloroquine and chloroquine phosphate for the treatment and prevention of COVID-19 in failing to provide refunds for unpurchased product and to indemnify the supplier against claims by a governmental customer that the prices set by the manufacturer violated state law....