Арт. 2421-28-5
BLDpharm (cas 2421-28-5 ) Benzophenone-3,3',4,4'-tetracarboxylic dianhydride 96%
Гарантия 1 год
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BLDpharm (cas 2421-28-5 ) Benzophenone-3,3',4,4'-tetracarboxylic dianhydride 96%