Pharmaceutical IntermediateChina Best Price USP Grade Food Additive Amino Acids 99% Pure CAS 31284-96-5 N-Sulfo-Glucosamine Potassium Salt, Find details about China N-Sulfo-Glucosamine Potassium Salt, 99% N-Sulfo-Glucosamine Potassium Salt from Best Price USP Grade Food Additive Amino Acids 99% Pure CAS 31284-96-5 N-Sulfo-Glucosamine Potassium Salt