Three Polymorphic Forms of 2-Ethyl-3-hydroxy-4-pyranone (Ethyl Maltol)
Brown, S. D.; Burgess, J.; Fawcett, J.; Parsons, S. A.; Russell, D. R.; Waltham, E.; Acta Crystallographica Section C 51 (1995) 1335–1338; doi:10.1107/S010827019401423X

data_2003634
_publ_section_title
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 Three Polymorphic Forms of 2-Ethyl-3-hydroxy-4-pyranone (Ethyl Maltol)
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_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1335
_journal_page_last               1338
_journal_paper_doi               10.1107/S010827019401423X
_journal_volume                  51
_journal_year                    1995
_chemical_compound_source        'see text'
_chemical_formula_sum            'C7 H8 O3'
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '1/[\s^2^(F)+0.0015F^2^]' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/[\s^2^(F)+0.0015F^2^]'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
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