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Figure 1 (a) A schematic representation of the two independent conformations of RBB found at 93 K, where RBB-A illustrates the diethyl­amino substituents on the same side while in RBB-B they are on opposite sides, of the xanthene plane. (b) The disordered structure of the title mol­ecule at room temperature, where the major and minor disorder components are depicted as solid and dotted lines, respectively.

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COMMUNICATIONS
ISSN: 2056-9890
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