4,5-Bis(9-hydroxy-3,5,8-trioxanonan-1-yl)isophthalic acid
4,5-Bis(9-hydroxy-3,5,8-trioxanonan-1-yl)isophthalic acid ??
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4,5-Bis(9-hydroxy-3,5,8-trioxanonan-1-yl)isophthalic acid C??? ??, ??, ??
4,5-Bis(9-hydroxy-3,5,8-trioxanonan-1-yl)isophthalic acid ?? ?? ? ???
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4,5-Bis(9-hydroxy-3,5,8-trioxanonan-1-yl)isophthalic acid ?? ??
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