The title compounds, which differ in the substituent at the 4-position of the pendant benzene ring, show different packing motifs mediated by weak C—H⋯X (X = O or N) interactions.… Click to show full abstract
The title compounds, which differ in the substituent at the 4-position of the pendant benzene ring, show different packing motifs mediated by weak C—H⋯X (X = O or N) interactions. One of them is a polymorph of a known structure.
               
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