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Figure 1
The asymmetric units of 1 (top left), 1·HCl (top middle), 3 (top right), 2 (bottom left) and 4 (bottom right), shown with 50% probability displacement ellipsoids. Dotted lines are used to indicate hydro­gen-bonding inter­actions. Only the major disorder com­ponent of the ring in 2 is shown. Additional labels for 1·HCl and 2 are included for clarification in later discussion.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
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