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Organic 1-Methyl-2-Pyrrolidinone | NMP 872-50-4 Chemical Solvent Liquid Syntheses Material Intermediates, Find Details and Price about NMP N-Methyl Pyrrolidone solvent from Organic 1-Methyl-2-Pyrrolidinone | NMP 872-50-4 Chemical Solvent Liquid Syntheses Material Intermediates - Shanghai Yuking Water Soluble Material Tech Co., Ltd.