3-Cyano-6-(4-methoxyphenyl)-5-methyl-4-methylthio-2H-pyran-2-one

In the title compound, C₁₅H₁₃NO₃S, the two six-membered rings are inclined at an angle of 38.9 (1)°. The conformations of the ring substituents are discussed and compared with the situation when the 5-methyl substituent is replaced with an H atom.

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