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  1. 2-BUTANONE (METHYL ETHYL KETONE; MEK)† - Occupational …

  2. Methyl Ethyl Ketone | C4H8O | CID 6569 - PubChem

  3. Methyl Ethyl Ketone (MEK) - Maruzen Petrochemical Co., Ltd.

  4. 2-Butanone - NIST Chemistry WebBook

  5. METHYL ETHYL KETONE | CAMEO Chemicals | NOAA