5-acetyl-4-methyl-3H-thiazol-2-one;4-methyl-5-acetyl-2-thiazolinone;5-Acetyl-4-methyl-3H-thiazol-2-on;2-Oxo-4-methyl-5-acetyl-Δ4-thiazolin;5-acetyl-4-methyl-4-thiazoline-2-one;
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