ammonium 21-tungsto-9-antimoniate April 12, 2017 ammonium 21-tungsto-9-antimoniate Trade Name Orphan Indication Acquired immunodeficiency syndrome USA Market Approval USA USA Designation Date 1985-07-17 00:00:00 Sponsor Rhone-Poulenc Rorer Pharm.;500 Arcola Road;Collegeville, Pennsylvania, 19426