186379-53-3 2H-Pyrrol-2-one, 3-acetyl-1-hexadecyl-1,5-dihydro-5-hydroxy-4,5-dimethyl- 3-Acetyl-1-hexadecyl-1,5-dihydro-5-hydroxy-4,5-dimethyl-2H-pyrrol-2-one MT 19