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The coumarin rings in the title molecules, C14H12O2 and C14H12O3, are planar. In the epoxide derivative, the tetrahydrobenzene ring adopts a boat conformation and the oxirane plane is nearly perpendicular to the coumarin moiety.
Supporting information
 | Crystallographic Information File (CIF)
Contains datablocks I, II, global |
 | Structure factor file (SHELXL table format)
Supplementary material |
| Structure factor file (SHELXL table format)
Supplementary material |
CCDC references: 129853; 129854
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