61892-76-0, 5-乙酰基-5,6-脱氢-2-哌啶酮, 5-ACETYL-3,4-DIHYDRO-2(1H)-PYRIDINONE
858 201 6118
http://www.acccorporation.com
86 21 58599655
http://www.shrschemical.com
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