1320-47-4 51206-97-4 79-16-3 AI3-18019 Acetamide, N-methyl- Acetamide, methyl- Acetic acid, amide, N-methyl EINECS 201-182-6 HSDB 94 Methyl acetamide Methylacetamide Monomethylacetamide N-METHYLACETAMIDE N-Methyl acetamide N-Monomethylacetamide NSC 747 X 44