3,3',4,4'-benzophenonetetracarboxylic dianhydride-25g
https://www.chemsilico.com/shop/na-b0948-33-44-benzophenonetetracarboxylic-dianhydride-25g-48809
https://www.chemsilico.com/web/image/product.template/48809/image_1920?unique=eded62b
Efficient initiator for radical photopolymerization.
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