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Figure 2 The packing of (I) viewed approximately down the c axis. The antiparallel chains connected by O—H⋯S and N—H⋯O hydrogen bonds (dashed lines) are shown. All tert-butyl groups have been omitted as are most H-atoms. Symmetry codes: i: x − 1,y,z; ii: −x,-y + 2,-z; iii: −x − 1,-y + 2,-z |