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Acta Cryst. (2013). E69, o1231  [ doi:10.1107/S1600536813018503 ]

Ethyl (Z)-4'-(4-ethoxy-1-hydroxy-3,4-dioxobut-1-en-1-yl)-[1,1'-biphenyl]-3-carboxylate

Y. Ishikawa and A. Ugai


Key indicators

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Alert level C PLAT369_ALERT_2_C Long C(sp2)-C(sp2) Bond C18 - C19 ... 1.53 Ang. PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 2 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 34
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 14
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 3 ALERT level C = Check. Ensure it is not caused by an omission or oversight 2 ALERT level G = General information/check it is not something unexpected 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 1 ALERT type 2 Indicator that the structure model may be wrong or deficient 2 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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