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Figure 3
A least-squares plane projection, fitted through atoms C4, C3, C7 and S1 of the thio­pyran ring, depicting the C6-atom `flip' and the pseudo-axial/pseudo-equatorial orientation of the methyl/ethyl­ammonio substituents (see Comment). H atoms have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 63| Part 2| January 2007| Pages o108-o110
doi:10.1107/S0108270106055338
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