ChemicalBook >?? ???? >2,2'-?????,1,1'-???-,?????(1:2)
2,2'-?????,1,1'-???-,?????(1:2)
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2,2'-?????,1,1'-???-,?????(1:2) ??
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- 260 °C
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2,2'-?????,1,1'-???-,?????(1:2) ?? ??
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