"http://www.pdrx.com" . "Bausch and lomb inc" . "PD-Rx Pharmaceuticals Inc." . "Shanghai Ziyuan Pharmaceutical Co. Ltd." . . "Standard Chem and Pharm Co. Ltd." . "http://www.ziyuanpharm.com" . "http://www.standard.com.tw" . "Corepharma llc" .