Figure 3.
Ortep view [25] of the crystal structure of 1-methyl-3,4-dimethoxy-9H-xanthen-9-one (1), 1-(dibromomethyl)-3,4-dimethoxy-9H-xanthen-9-one (7) and 1-(dibromomethyl)-3,4,6-trimethoxy-9H-xanthen-9-one (8).
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