3-O-Methyl-L-DOPA Monohydrate (TRC-M303815-50MG) Lee mas (R)-De(carboxymethoxy) Cetirizine Acetic Acid (TRC-D215500-50MG) Lee mas 3-Hydroxy Ropivacaine (TRC-H953420-10MG) Lee mas Ropivacaine N-Oxide (TRC-R675010-10MG) Lee mas N-Nitrosopiperidine (TRC-N545370-500MG) Lee mas rac D 617 (Verapamil Metabolite) (TRC-D100050-10MG) Lee mas D-threo-Methylphenidate Hydrochloride (TRC-M325675-10MG) Lee mas D-threo-Methylphenidate Hydrochloride (TRC-M325675-1MG) Lee mas