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Products：Phenolphthalein 
Synonyms：2-[Bis(4-hydroxyphenyl)methyl]benzoic acid; 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide 
Cas No.：77-09-8 
Molecular Formula：C20H14O4 
Molecular Weight：318.33 
Molecular Structure： 
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