9049-93-8 ??????
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?????? |
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????? A-21; amberlyst A-21 ?? ?? ??; ?????(rg A-21 |
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Amberlyst® Amberlyst A-21; amberlyst A-21 ion-exchange resin; Amberlyst(rg A-21 |
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C12H20O2 |
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196.28
|
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9049-93-8 |
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1.1 |
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S24/25:Avoid contact with skin and eyes.;
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