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Acta Cryst. (2004). E60, o2264-o2265  [ doi:10.1107/S1600536804028016 ]

7b-tert-Butyl-1a,2,5,6-tetrahydro-2-hydroxy-2-methyl-4H-oxireno[2,3-h]chromen-3(7bH)-one

C.-H. Mao, H.-B. Song, Q.-M. Wang, R.-Q. Huang, L. Chen and J. Shang


Key indicators

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Alert level C PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density .... 2.21 PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given ....... ?
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 2 ALERT level C = Check and explain 0 ALERT level G = General alerts; check 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 0 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion

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