Plastic Auxiliary AgentChina Vitamin Drugs Pharmaceutical Raw Material Antioxidant CAS 1077-28-7 Bulk 99% Pure Powder Alpha Lipoic Acid/Dl-Thioctic Acid, Find details about China CAS 1077-28-7, Alpha-Lipoic Acid Raw Material from Vitamin Drugs Pharmaceutical Raw Material Antioxidant CAS 1077-28-7 Bulk 99% Pure Powder Alpha Lipoic Acid/Dl-Thioctic Acid