A notation used in structural chemical formulas to indicate the location of certain substituents on a glycerol molecule
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6-O-{2,7-Dibromo-9-[3-(trifluoromethyl)phenyl]xanthen-9-yl}-2-O-(4-methoxytetrahydropyran-4-yl)-D-myo-inositol
[2-(Methylselenenyl)benzyl]triphenylstannane
